Sheet Music in 3/4 time
The 3/4 time signature, also known as "waltz time," is characterized by its strong-weak-weak rhythmic pattern, having three quarter-note (crotchet) beats per measure (bar).
As well as the Waltz, other examples of 3/4 time include the Minuet, the German/Austrian Ländler and one of Chopin's favourites, the Mazurka.

Morris
Isolation Waltz
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Pixis
Piano Sonata, Op.10
Haydn
Minuet
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Strauss II
Waltz No. 12 from 16 Waltz Favorites by Johan...
Strauss II
Waltz No. 4 from 16 Waltz Favorites by Johann...
Edward Track
33. Valse Triste
Alkan
Bombardo Carillon
Puccini
Sola perduta abbandonata (Manon Lescaut)
Strauss II
Waltz No. 9 from 16 Waltz Favorites by Johann...
Scott Joplin
The Augustan Club Waltzes
Chiquinha Gonzaga..
Meditacao
Trad.
Oscar's Ghost
Hummel
The Assembly Waltz
Trad.
Preab san Ol
Scott Joplin
Frolic of the Bears from Treemonisha
Strauss II
Waltz No. 7 from 16 Waltz Favorites by Johann...
Beethoven
Diabelli Variations Op. 120 Variations 11-22
Beethoven
Sonata No.27 In E Minor Op.90
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Trad.
Louis' Waltz
Trad.
Oravaisten Menuetti