Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:4/4
K:D
['D2 D2 (3DDD DFAA defe dcBA FA', 'CEA,C D2 (3DDD DFAA defe dcBA FAAA', 'f>d (3dcd', 'Adcd (3(Bcd)']  
X:1
L:1/8
M:4/4
K:D
 D2 | D2 (3DDD DFAA | defe dcBA | FA A2 BA A2 | GFED CEA,C || D2 (3DDD DFAA | defe dcBA | 
 FAAA BAGE | D2 (3DDD D2 :: (de) | f>d (3dcd A>d (3dcd | f>d (3dcd bgaf | gfec Acef | 
 (3(gag) b>g agfg || Adcd (3(Bcd) AF | Adcd (3(Bcd) A2 | Adfa gece | d2 (3ddd d2 :|  