Compose a piece of music utilizing the given alphabet sequence and motif.
X:1
L:1/8
Q:1/4=130
M:6/8
K:D
['B2 A', 'B2 B']  
X:1
L:1/8
Q:1/4=130
M:6/8
K:D
"_vb" (f/e/) | d2 B c2 A | B2 A F2 G | A2 G A2 B | A3 f2 e | dcB cB^A | B2 A FGE | F^G^A B2 B | 
 B3- B2 || F | B2 B d2 e | f2 e a2 f | e2 c A2 c | e3- e2 c | B2 B d2 e | f2 b b2 b | 
{^g} a2 f d2 e | f3- f2 e | d2 B cB^A | B2 A FGE | F^G^A B2 B | B3- B2 |]  