Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:6/8
K:C
['Gcc cBA GAG GEG', 'c3 gec cBc AFF F3 afd ded']  
X:1
L:1/8
M:6/8
K:C
 Gcc cBA | GAG GEG | Gcc c2 d | ecA A2 G | Gcc cBA | GAG GEG | cec dfd | ecc c3 :: gec cBc | 
 AFF F3 | afd ded | BGG G3 | Gcc cBA | GAG GEG | cec dfd | ecc c3 :|  