
Baroque Masterpieces
Checking favorite status…Baroque Masterpieces (2008), Format unverified, on Sony BMG Music Entertainment. Music by Johann Sebastian Bach, performed by Gustav Leonhardt, Sigiswald Kuijken, Franzjosef Maier, Hans-Martin Linde; 832 tracks.
Report a catalog issue
Prepare a correction for Baroque Masterpieces. Your draft stays on this page until you copy it. Review it before posting publicly on Fider; avoid personal information.
Fider requires a separate sign-in. Your Classikal sign-in does not sign you into Fider.
Composer
Tracklist
Showing first 200 of 832 tracks.
Disc 1
Brandenburg Concerto no. 1 in F major, BWV 1046: I. Allegro
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 1 F-Dur, BWV 1046
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 1 in F major, BWV 1046: II. Adagio
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 1 F-Dur, BWV 1046
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 1 in F major, BWV 1046: III. Allegro
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 1 F-Dur, BWV 1046
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 1 in F major, BWV 1046: IV. Menuetto
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 1 F-Dur, BWV 1046
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 2 in F major, BWV 1047: I. Allegro
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 2 F-Dur, BWV 1047
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 2 in F major, BWV 1047: II. Andante
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 2 F-Dur, BWV 1047
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 2 in F major, BWV 1047: III. Allegro assai
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 2 F-Dur, BWV 1047
Sigiswald Kuijken, La Petite Bande
Disc 2
Brandenburg Concerto no. 4 in G major, BWV 1049: I. Allegro
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 4 G-Dur, BWV 1049
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 4 in G major, BWV 1049: II. Andante
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 4 G-Dur, BWV 1049
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 4 in G major, BWV 1049: III. Presto
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 4 G-Dur, BWV 1049
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 5 in D major, BWV 1050: I. Allegro
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 5 D-Dur, BWV 1050
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 5 in D major, BWV 1050: II. Affettuoso
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 5 D-Dur, BWV 1050
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 5 in D major, BWV 1050: III. Allegro
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 5 D-Dur, BWV 1050
Sigiswald Kuijken, La Petite Bande
Brandenburg Concerto no. 6 in B-flat major, BWV 1051: I. Allegro
Johann Sebastian Bach - Brandenburgisches Konzert Nr. 6 B-Dur, BWV 1051
Sigiswald Kuijken, La Petite Bande
Disc 3
Overture no. 1, BWV 1066 in C major: I. Ouverture
Johann Sebastian Bach - Orchestersuite Nr. 1 C-Dur, BWV 1066
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 1, BWV 1066 in C major: II. Courante
Johann Sebastian Bach - Orchestersuite Nr. 1 C-Dur, BWV 1066
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 1, BWV 1066 in C major: III. Gavotte I & II
Johann Sebastian Bach - Orchestersuite Nr. 1 C-Dur, BWV 1066
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 1, BWV 1066 in C major: IV. Forlane
Johann Sebastian Bach - Orchestersuite Nr. 1 C-Dur, BWV 1066
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 1, BWV 1066 in C major: V. Menuet I & II
Johann Sebastian Bach - Orchestersuite Nr. 1 C-Dur, BWV 1066
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 1, BWV 1066 in C major: VI. Bourrée I & II
Johann Sebastian Bach - Orchestersuite Nr. 1 C-Dur, BWV 1066
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 1, BWV 1066 in C major: VII. Passepied I & II
Johann Sebastian Bach - Orchestersuite Nr. 1 C-Dur, BWV 1066
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 2, BWV 1067 in B minor: I. Ouverture
Johann Sebastian Bach - Orchestersuite Nr. 2 h-Moll, BWV 1067
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 2, BWV 1067 in B minor: II. Rondeau
Johann Sebastian Bach - Orchestersuite Nr. 2 h-Moll, BWV 1067
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 2, BWV 1067 in B minor: III. Sarabande
Johann Sebastian Bach - Orchestersuite Nr. 2 h-Moll, BWV 1067
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 2, BWV 1067 in B minor: IV. Bourrée I & II
Johann Sebastian Bach - Orchestersuite Nr. 2 h-Moll, BWV 1067
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Overture no. 2, BWV 1067 in B minor: V. Polonaise avec double
Johann Sebastian Bach - Orchestersuite Nr. 2 h-Moll, BWV 1067
Franzjosef Maier, Hans-Martin Linde, Collegium Aureum
Disc 4
Musical Offering, BWV 1079: I. Ricercar a 3 voci
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079
Musical Offering, BWV 1079: II. Canon perpetuus super thema regium
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079
Barthold Kuijken, Gustav Leonhardt, Sigiswald Kuijken
Canones diversi super thema regium: a. Canon a 2
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079: IIIa. 5 Canones diversi super thema regium, Canon a 2
Canones diversi super thema regium: b. Canon a 2
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079: IIIb. 5 Canones diversi super thema regium, Canon a 2 Violini in unisono
Gustav Leonhardt, Sigiswald Kuijken, Wieland Kuijken
Canones diversi super thema regium: c. Canon a 2, per motum contrarium
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079
Barthold Kuijken, Gustav Leonhardt, Sigiswald Kuijken
Canones diversi super thema regium: d. Canon a 2, per augmentationem contrario motu
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079
Gustav Leonhardt, Sigiswald Kuijken, Wieland Kuijken
Canones diversi super thema regium: e. Canon a 2, per tonos
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079: IIIe. 5 Canones diversi super thema regium, Canon a 2 Per tonos
Gustav Leonhardt, Sigiswald Kuijken, Wieland Kuijken
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079
Gustav Leonhardt, Sigiswald Kuijken, Wieland Kuijken
Sonata sopr'il soggetto reale, trio: I. Largo
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079
Barthold Kuijken, Gustav Leonhardt, Sigiswald Kuijken
Sonata sopr'il soggetto reale, trio: II. Allegro
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079
Barthold Kuijken, Gustav Leonhardt, Sigiswald Kuijken
Sonata sopr'il soggetto reale, trio: III. Andante
Johann Sebastian Bach - Musikalisches Opfer, BWV 1079
Barthold Kuijken, Gustav Leonhardt, Sigiswald Kuijken
Disc 5
Three Chorales: "Allein Gott in Der Höh’ Sei Ehr", BWV 663
Johann Sebastian Bach - Choralvorspiele für Orgel in G-Dur, BWV 663 "Allein Gott in der Höh' sei Ehr"
Three Chorales: "O Lamm Gottes, unschuldig", BWV 618
Johann Sebastian Bach - Choralvorspiele für Orgel in F-Dur, BWV 618 "O Lamm Gottes, unschuldig"
Three Chorales: "Wir Christenleut", BWV 710
Johann Sebastian Bach - Wir Christenleut habn jetzund Freud, BWV 710
Prelude and Fugue in C Minor, BWV 546: Prelude
Johann Sebastian Bach - Präludium und Fuge c-Moll, BWV 546
Prelude and Fugue in C Minor, BWV 546: Fugue
Johann Sebastian Bach - Präludium und Fuge c-Moll, BWV 546
Prelude and Fugue In C Major, BWV 547 Prelude
Johann Sebastian Bach - Präludium und Fugue C-dur, BWV 547
Prelude and Fugue In C Major, BWV 547 Fugue
Johann Sebastian Bach - Präludium und Fugue C-dur, BWV 547
Prelude and Fugue In E Minor, BWV 548 Prelude
Johann Sebastian Bach - Präludium und Fuge e-Moll, BWV 548
Prelude and Fugue In E Minor, BWV 548 Fugue
Johann Sebastian Bach - Präludium und Fuge e-Moll, BWV 548
Disc 7
Goldberg Variations, BWV 988: Variatio 1. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 1. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 2. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 2. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 3. Canone All'Unisono A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 3. Canone all Unisuono. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 4. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 4. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 5. A 1 Ô Vero 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 5. a 1 ô vero 2 Clav.
Goldberg Variations, BWV 988: Variatio 6. Canone Alla Secondaa 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 6. Canone alla Seconda. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 7. A 1 Ô Vero 2 Clav. "Al Tempo Di Giga"
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 7. a 1 ô vero 2 Clav. al tempo di Giga
Goldberg Variations, BWV 988: Variatio 8. A 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 8. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 9. Canone Alla Terza A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 9. Canone alla Terza. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 10. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 10. Fughetta. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 11. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 11. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 12. Canona Alla Quarta A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 12. Canone alla Quarta
Goldberg Variations, BWV 988: Variatio 13. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 13. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 14. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 14. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 15. Canone Alla Quinta A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 15. Canone alla Quinta. a 1 Clav. andante
Goldberg Variations, BWV 988: Variatio 16. Ouverture A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 16. Ouverture. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 17. A 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 17. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 18. Canone Alla Sesta A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 18. Canone alla Sexta. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 19. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 19. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 20. A 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 20. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 21. Canone Alla Settima A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 21. Canone alla Settima
Goldberg Variations, BWV 988: Variatio 22. A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 22. a 1 Clav. alla breve
Goldberg Variations, BWV 988: Variatio 23. A 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 23. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 24. Canone All'Ottava A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 24. Canone all'Ottava. a 1 Clav.
Goldberg Variations, BWV 988: Variatio 25. A 2 Clav. Adagio
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 25. a 2 Clav. adagio
Goldberg Variations, BWV 988: Variatio 26. A 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 26. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 27. Canone Alla Nona A 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 27. Canone alla Nona. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 28. A 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 28. a 2 Clav.
Goldberg Variations, BWV 988: Variatio 29. A 1 Ô Vero 2 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 29. a 1 ô vero 2 Clav.
Goldberg Variations, BWV 988: Variatio 30. Quodlibet A 1 Clav.
Johann Sebastian Bach - Goldberg-Variationen, BWV 988: Variatio 30. a 1 Clav. Quodlibet
Italian Concerto in F Major, BWV 971: I. Allegro
Johann Sebastian Bach - Italienisches Konzert F-Dur, BWV 971
Disc 8
Disc 9
The Well-Tempered Clavier 1st Part (Köthen 1722) (Highlights): Prelude and Fugue in C major, BWV 846
Johann Sebastian Bach - The Well-Tempered Clavier, Book I
The Well-Tempered Clavier 1st Part (Köthen 1722) (Highlights): Prelude and Fugue in C minor, BWV 847
Johann Sebastian Bach - The Well-Tempered Clavier, Book I
The Well-Tempered Clavier 1st Part (Köthen 1722) (Highlights): Prelude and Fugue in G major, BWV 860
Johann Sebastian Bach - The Well-Tempered Clavier, Book I
The Well-Tempered Clavier 1st Part (Köthen 1722) (Highlights): Prelude and Fugue in B minor, BWV 869
Johann Sebastian Bach - The Well-Tempered Clavier, Book I
Disc 10
Trio Sonata no. 1 in E-flat major, BWV 525: I. Allegro moderato
Johann Sebastian Bach - Triosonate Nr. 1 Es-Dur, BWV 525
Trio Sonata no. 1 in E-flat major, BWV 525: II. Adagio
Johann Sebastian Bach - Triosonate Nr. 1 Es-Dur, BWV 525
Trio Sonata no. 1 in E-flat major, BWV 525: III. Allegro
Johann Sebastian Bach - Triosonate Nr. 1 Es-Dur, BWV 525
Trio Sonata no. 5 in C major, BWV 529: I. Allegro
Johann Sebastian Bach - Triosonate Nr. 5 C-Dur, BWV 529
Disc 11
Sonata in A minor, BWV 1003: I. Grave
Johann Sebastian Bach - Violin Sonata no. 2 in A minor, BWV 1003
Sonata in A minor, BWV 1003: II. Fuga
Johann Sebastian Bach - Violin Sonata no. 2 in A minor, BWV 1003
Sonata in A minor, BWV 1003: III. Andante
Johann Sebastian Bach - Violin Sonata no. 2 in A minor, BWV 1003
Sonata in A minor, BWV 1003: IV. Allegro
Johann Sebastian Bach - Violin Sonata no. 2 in A minor, BWV 1003
Partita in D minor, BWV 1004: I. Allemanda
Johann Sebastian Bach - Violin Partita no. 2 in D minor, BWV 1004
Partita in D minor, BWV 1004: II. Corrente
Johann Sebastian Bach - Violin Partita no. 2 in D minor, BWV 1004
Partita in D minor, BWV 1004: III. Sarabanda
Johann Sebastian Bach - Violin Partita no. 2 in D minor, BWV 1004
Partita in D minor, BWV 1004: IV. Giga
Johann Sebastian Bach - Violin Partita no. 2 in D minor, BWV 1004
Partita in D minor, BWV 1004: V. Ciaconna
Johann Sebastian Bach - Violin Partita no. 2 in D minor, BWV 1004
Partita in E major, BWV 1006: I. Preludio
Johann Sebastian Bach - Violin Partita No. 3 in E major, BWV 1006.1/1006
Partita in E major, BWV 1006: II. Loure
Johann Sebastian Bach - Violin Partita No. 3 in E major, BWV 1006.1/1006
Partita in E major, BWV 1006: III. Gavotte En Rondeau
Johann Sebastian Bach - Violin Partita No. 3 in E major, BWV 1006.1/1006
Partita in E major, BWV 1006: IV. Menuet I
Johann Sebastian Bach - Violin Partita No. 3 in E major, BWV 1006.1/1006
Partita in E major, BWV 1006: V. Menuet II - Menuet I da capo
Johann Sebastian Bach - Violin Partita No. 3 in E major, BWV 1006.1/1006
Disc 14
Disc 15
“Ich will den Kreuzstab gerne tragen”, Cantata BWV 56: Aria: „Ich will den Kreuzstab gerne tragen“
Johann Sebastian Bach - Kantate, BWV 56 "Ich will den Kreuzstab gerne tragen"
“Ich will den Kreuzstab gerne tragen”, Cantata BWV 56: Aria: „Endlich, endlich wird mein Joch“
Johann Sebastian Bach - Kantate, BWV 56 "Ich will den Kreuzstab gerne tragen"
“Ich will den Kreuzstab gerne tragen”, Cantata BWV 56: Recitativo: „Ich stehe fertig und bereit“
Johann Sebastian Bach - Kantate, BWV 56 "Ich will den Kreuzstab gerne tragen"
“Ich will den Kreuzstab gerne tragen”, Cantata BWV 56: Choral: „Komm, o Tod, du Schlafes Bruder“
Johann Sebastian Bach - Kantate, BWV 56 "Ich will den Kreuzstab gerne tragen"
Frans Brüggen, Harry Geraerts, Harry van der Kamp
“Ich habe genug”, Cantata BWV 82: Aria: „Ich habe genug“
Johann Sebastian Bach - Kantate, BWV 82 “Ich habe genung”
“Ich habe genug”, Cantata BWV 82: Recitativo: „Ich habe genug! Mein Trost ist nur allein“
Johann Sebastian Bach - Kantate, BWV 82 “Ich habe genung”
“Ich habe genug”, Cantata BWV 82: Aria: „Schlummert ein, ihr matten Augen“
Johann Sebastian Bach - Kantate, BWV 82 “Ich habe genung”
Disc 16
Wedding Cantata (Hochzeitskantate), BWV 202: Aria: „Weichet nur, betrübte Schatten“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Wedding Cantata (Hochzeitskantate), BWV 202: Recitativo: „Die Welt wird wieder neu“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Wedding Cantata (Hochzeitskantate), BWV 202: Aria: „Phöbus eilt mit schnellen Pferden“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Wedding Cantata (Hochzeitskantate), BWV 202: Recitativo: „Drum sucht auch Amor sein Vergnügen“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Wedding Cantata (Hochzeitskantate), BWV 202: Aria: „Wenn die Frühlingslüfte streichen“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Wedding Cantata (Hochzeitskantate), BWV 202: Recitativo: „Und dieses ist das Glücke“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Wedding Cantata (Hochzeitskantate), BWV 202: Aria: „Sich üben im Lieben“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Wedding Cantata (Hochzeitskantate), BWV 202: Recitativo: „So sei das Band der keuschen Liebe“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Wedding Cantata (Hochzeitskantate), BWV 202: Aria: „Sehet in Zufriedenheit“
Johann Sebastian Bach - Kantate, BWV 202 "Weichet nur, betrübte Schatten"
Reinhard Peters, Collegium Aureum, Elly Ameling
Non sà che sia dolore, BWV 209: Sinfonia
Johann Sebastian Bach - Kantate, BWV 209 "Non sa che sia dolore"
Franzjosef Maier, Collegium Aureum