2 opus = "BWV 937 (prelude)";
3 composer = "J. S. Bach";
4 source = "Petits Preludes et Fugues. Urtext. Editions Henry Lemoine, Paris.";
8 1. upon stretching: every note should stretch according to duration
10 2. 8th notes should be spaced equidistantly.
17 \context Voice = VA { \property Voice.ydirection= 1
19 \context Voice = VB { \property Voice.ydirection= -1
20 [cis8 a] [fis b] gis2 }
23 \context Staff = SB { \clef "bass"; \key e;
24 [a,,16 e dis e] [b'8 b,] [e16 e, gis b] e4
33 % linewidth = 5.0 \cm; % ly2dvi barfs on -1