Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:C
['cGEG cGEG', 'gece dcde']  
X:1
L:1/8
M:4/4
K:C
 G | cGEG cGEG | FDD d dAAB | cGEG cGEG | FAGF ECC :: c/e/ | g^fga gece | dcde cAAc | g^fgc' gece | 
 dcde c/c/c ce | g^fga gece | dcde cAAc | gcac bcc'g | (f/e/d/c/) Bg ecc :|  