Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:4/4
K:D
['Ade f3 ga- a2 gf- f4 ed/c/', 'A8 c2 c3 A c2- cd e6']  
X:1
L:1/8
M:4/4
K:D
 Ade f3 ga- | a2 gf- f4 | ed/c/ d3 c d2- | dcde- e4 | AB c3 e d2- | dc B6 | AG/F/ G3 F/G/ A2- | 
 A8 || c2 c3 A c2- | cd e6 | a>b a3 bag | f2 a6 | ag f3 g e2- | ecde- e4 | c-c/e/ d3 c A2- | 
 AG A6 ||  