Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
Q:1/4=120
M:3/8
K:C
['ddd efe (d3/2(3c/4B/4A/4)B (d3/2(3c/4B/4A/4)B- B2 z Bcd']  
X:1
L:1/8
Q:1/4=120
M:3/8
K:C
 ddd | efe | (d3/2(3c/4B/4A/4)B | (d3/2(3c/4B/4A/4)B- | B2 z | Bcd | cBc | (A/G/4A/4) G2- | G2 z :|  