Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:1/4=100
M:4/4
K:F
['(d/e/f) cA (d/e/f)', 'c2 dG', 'f3 [M:6/8][K:A][Q:1/4=100] e cAA ABc f2 e', 'e fga']  
X:1
L:1/8
Q:1/4=100
M:4/4
K:F
 f | fccB AFFc | (d/e/f) (g/a/b) a2 fc | (d/e/f) cA (d/e/f) cA | (d/e/f) cA G3 :: g2"^sic" | 
 g/f/e/f/ gG c2 dG | c2 dG e/d/c/d/ ef | g/f/e/f/ gB Abag | a/g/f/g/ ce f3 :: 
[M:6/8][K:A][Q:1/4=100] e | cAA ABc | dBB"^tr" f2 e | fdd eBB | cAA A2 :: e | fga gee | 
 dBB"^tr" f2 e | fga efd | cAA A2 :|  