Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:4/4
K:Emin
['GFGB A2 GA (3Bcd gf edBA', 'AB{d}BA GE E2 FDB,D E2 GE{G} EDB,D']  
X:1
L:1/8
M:4/4
K:Emin
 E3 E{G} EDB,D |{A} GFGB A2 GA | (3Bcd gf edBA | GE E2 FD | E2 GE{G} EDB,D | GFGB A2 GA | 
 (3Bcd gf edBA |1 GE{G}ED E2 B,D :|2 GE{G}ED E2 Bd || eged B2{d} BA | G3 B d2 Bd | eged AB{d}BA | 
 GE E2 FDB,D | E2 GE{G} EDB,D | GFGB A2 GA | (3Bcd gf edBA |1 GE{G}ED E2 Bd :|2 GE{G}ED E4 ||  