Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:F
['z2 G/A/ BABdcB A/B/ c2 z2']  
X:1
L:1/8
M:6/8
K:F
 C | F2 Acdc | c/c/ A2 z2 C/F/ | AAccBA | G3 z2 G/A/ | BABdcB | A/B/ c2 z2 c | dBGGAG | 
 B A2 z2 G/A/ | BABdcB | A/B/ c2 z2 F | dBGGFE | F3 z2 |]  