Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:3/4
K:C
['GBcegd fa g3 f dBcegd f2 f/']  
X:1
L:1/8
M:3/4
K:C
 GBcegd | fa g3 f | dBcegd | f2 f/ e2 c3/2 | GBcecd | fd e2 cG | GBcecG | A>A A2 A2 |]  