Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/16
M:2/4
K:C
['', 'a2>f2 a2f2 e4 dcBc d2 dc BcdB', 'GABc dedc']  
X:1
L:1/16
M:2/4
K:C
 e f2d2 |: a2>f2 a2f2 | e4 dcBc | d2 dc BcdB | c2 Ae f2 d2 | a2>f2 a2f2 | e4 dcBc | d2 dc BcdB |1 
 Az2e f2d2 :|2 A4 GABc |: dedc BcdB | c2A2 GABc | dedc B2d2 | e4 GABc | dedc BcdB | c2A2 GABc | 
 dedc B2G2 |1 A4 GABc :|2 A z z2 z4 ||  