Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:4/4
K:C
['c2 c2', 'D^FAd B2{d} AF']  
X:1
L:1/8
M:4/4
K:C
|: g2 g2 z agf | efed cA^AB | c2 c2 z dc_B | A_BAG FGAc | BBgB BaBB | gBBa BBgB |1 ccgc cacc | 
 g2{a} e2 f2 ^f2 :|2 gagf efed | c2 c2 B2 ^A2 |: A^cea ^f2{a} ec | A^cea ^f2{a} ec | 
 D^FAd B2{d} AF | D^FAd B2{d} AF | G,B,DG E2{G} DB, | G,B,DG E2{G} DB, | C2 DE FGAB |1 
 c2 c2 B2 ^A2 :|2 c2 e2 f2 ^f2 |]  