Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:F
['d d']  
X:1
L:1/8
M:4/4
K:F
 f f e/d/ d | c z/ B/ A B/c/ | d d d d | c3 c | c/c/c/c/ A d | c c/A/ F F/G/ | A A A/G/ F F/G/ | 
 A A A/G/ G | F3 z |]  