Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/4
M:6/4
K:Gmin
['G B2 A G F B/c/ d2', 'B G']  
X:1
L:1/4
M:6/4
K:Gmin
 G | B2 A G F B/c/ | d2 c/A/ B2 G | B2 A G F B/c/ | d2 c/A/ B2 || d | c c d B G A | B G F G2 d | 
 c c d B G A | B G F G2 |]  