Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
M:3/4
K:C
['(3GAB c2 c2 cd B2 G2 (3GBdfefg']  
X:1
L:1/8
M:3/4
K:C
 (3GAB c2 c2 | cd B2 G2 | (3GBdfefg | c6 | ed f4 | edAG F2 | (3AcBcB c2 | G6 |]  