Instrumental Duet Instrumental Duet,Piano - Level 3 - Digital Download SKU: A0.886891 Composed by Johann Sebastian Bach. Arranged by Justin M. Ryan. Baroque,Contemporary. Score and parts. 6 pages. Justin M. Ryan #3015405. Published by Justin M. Ryan (A0.886891). Invention No. 1 BWV 772. The Inventions and Sinfonias, BWV 772–801, also known as the Two- and Three-Part Inventions, are a collection of thirty short keyboard compositions by Johann Sebastian Bach (1685–1750): 15 inventions, which are two-part contrapuntal pieces, and 15 sinfonias, which are three-part contrapuntal pieces. They were originally written as musical exercises for his students.Now in the 21st century, this piece comes alive once again. Arranged for 2 pianos, each piano is playing the same piece in 2 different keys simultaneously(Perfect 5th apart). Enjoy this wonderful classic.
