Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:3/8=90
M:6/8
K:Bmin
['d2 e f2 d e2 c d2', 'd2 g f/g/af e/f/ge d/e/fd']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:Bmin
|: d2 e f2 d | e2 c d2 B | B2 f fdB | BcB fdB | d2 e f2 d | e2 c d2 B | A2 e ecA | ABA ecA |: 
 d2 g f/g/af | e/f/ge d/e/fd | B2 f fdB | BcB fdB | d2 g f/g/af | e/f/ge d/e/fd | A2 e ecA | 
 ABA ecA :|  