Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
Q:1/4=100
M:4/4
K:A
['c2 (B/c/d) c3 B AcBA G2 (FE)']  
X:1
L:1/8
Q:1/4=100
M:4/4
K:A
 c2 (B/c/d) c3 B | AcBA G2 (FE) | A2 (G/A/B) A2 (B/c/d) | (c/d/e) dc B4 |:  