Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/4
K:F
['F A3 c cA']  
X:1
L:1/8
M:2/4
K:F
 F | A3 c | cA G3/2 A/ | F3 F | A3 c | cA dc | G3 F | A3 c | cA GF | d4 | z2 d2 | c3 c | dc BG | 
 F3 ||  