Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:G
['DFD BAG FED', 'F2 d dcd', 'f2 d dfd', 'gfe dBd cAc BGB AFD F2 d', 'FED FAF GBG']  
X:1
L:1/8
M:6/8
K:G
 FG | A3 DFD | BAG FED | A2 D DFD | A3 BAG | A2 D DFD | BAG FED | E2 c cBc | B3 BFE :: F2 d dcd | 
 F2 A AFA | F2 d dcd | A3 BAG | F2 d dcd | F2 A AGF | E2 c cBc | G3 GFE :: f2 d dfd | f2 d dfd | 
 f2 d dfd | a3 bag | fd dfd | f2 d dfd | gec cec | g2 gfe :: dBd cAc | BGB AFD | F2 d dcd | 
 A3 ABc | de/d/c/B/ cd/c/B/A/ | B/c/dB AGE | D2 c cBc | G3 GFE :: FED FAF | GBG FAF | FED FAD | 
 A3 AGF | FED FAF | GBG AGF | Bcd BcA | G3 G3 :|  