Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:6/8
K:F
['A/B/ cdc cdc', 'agf agf']  
X:1
L:1/8
M:6/8
K:F
 A/B/ | cdc cdc | f2 c c2 A/B/ | cdc cdc | g2 c c2 A/B/ | cdc cdc | f2 c g2 c | agf cfe | 
 f2 F F2 :: f/g/ | agf agf | g2 c c2 f/g/ | agf agf | b2 g g2 f/g/ | agf agf | agf bag | agf ede | 
 f2 F F2 :|  