Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/4
M:2/2
K:C
['[GD]3/2 [GD]/ [cE] [eG] [fA]/[eG]/[dF]/[cE]/ [eG] [cE]']  
X:1
L:1/4
M:2/2
K:C
|:"C" [cE]2"G7" [GD]3/2 [GD]/ |"C" [cE] [eG] [fA]/[eG]/[dF]/[cE]/ | [eG] [cE] [eG]"F" [fA] |1 
"G7" [gB]4 :|2"C7" [g_B]4 |]"F" [aF]2 [fc]2 |"C" [ge] [ge] [ge]/[fd]/ [ec] | 
"G7" [dB]3/2 [ec]/ [fd]"C" [ec] |"G7" [dB] [BG] [G-G] [GF] |"C" [cE]2 [dF] [eG] | 
"F" [fA]/[eG]/ [d-F]"G7" [dG] [BF] |"C" [cE]4- | [cE]2 z2 |]  