Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:D
['d2 AG FGAF G2 BG FGAc', 'G2 BG FGAF', 'fdd/d/d eAAG GAAd eAfA gfeg fdd/d/d d3']  
X:1
L:1/8
M:4/4
K:D
|: d2 AG FGAF | G2 BG FGAc | dAAG FAdf | efge fdd/d/d | d2 AG FGAF | G2 BG FGAc | defd gfec | 
 Aceg fddA :: G2 BG FGAF | EFGF FDD/D/D | GABG FGA/B/c | dAAG FDDF | G2 BG FGAF | EDEF GABc | 
 defd gfec | Aceg fdd/d/d :: eAAG GAAd | eAfA gfeg | fdd/d/d d3 e | fdaf defd | eAA/A/A eAae | 
 fdd/d/d fdad | e2 ef gfed | daag fg ef :|  