Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
M:4/4
K:G
['dc B2']  
X:1
L:1/8
M:4/4
K:G
 D2 | G3 AB>ABe | d4 e4 | d3 B c2 dc | B4 z2 dc | B2 g2 e3 d | edcB A2 e2 d3 e | 
 dcBc d2 dc B2 z2 e4 | d2 dc B2 |]  