Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/4
Q:1/4=60
M:4/4
K:A
['a a']  
X:1
L:1/4
Q:1/4=60
M:4/4
K:A
 ve2 f2 | g2 a2 | a2 g2 | f2 e2 | e e f f | g g a a | a a g g | f f e e |]  