Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:2/2
K:A
['e>Ac>A cd/e/ c>A', 'e>ae>c a>ce>c']  
X:1
L:1/8
M:2/2
K:A
 f | e>Ac>A cd/e/ c>A | e>Ac>A (3cde (3fga | e>Ac>A cd/e/ c>A | e>ac>a b>Bd :| f | e>ae>c a>ce>c | 
 e>ae>c f>Bd>f | e>ae>c A/B/c/d/ e>c | e>ac>a b>Bd>f | e>ae>c a>ce>c | A>ce>c f>Bd>f | 
 (3efg (3agf (3edc (3ecA | E>Ac>e b>Bd ||  