Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:2/4
K:Gmin
['d2 c2 G4']  
X:1
L:1/8
M:2/4
K:Gmin
"Gm" GB dB |"Cm" c2 BA |"D7" d2 c2 |"Gm" G4 |"Bb" Bd ff |"Eb" g2"F7" fe |"Bb" d4 |: 
"A7" =e2"D7" ^f2 |"Gm" ag d2- | d A2 G |"Cm" dc e2- | e2 fe |"Gm" d2 cB |"D7" d2 c2 |1"Gm" G4 :|2 
"Gm" [gB]4- | [gB] z3 |]  