Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:3/4
K:Bmin
['', 'B3 c', 'F2 G3 B AG FG EF DA']  
X:1
L:1/8
M:3/4
K:Bmin
 F2 |: B3 c dB | c2 f3 e | dc B3 c | A2 F2 F2 | B3 c dB | c2 f3 e | dc BA FA |1 B4 F2 :|2 B4 c2 |: 
 d2 de fd | c2 A2 F2 | G3 B AG | FG EF DA | d2 de fd | cB A2 F2 | GF GA Bc |1 d4 A2 :|2 d4 F2 ||  