Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
Q:3/8=90
M:6/8
K:D
['d2 f afd c2 d ecA', 'A3 A2 A AGF Bcd AFD EFG']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:D
|: d2 f afd | c2 d ecA | Bcd AGF | EFG FED | d2 f afd | c2 d ecA | Bdc BAG | A3 A3 :: A2 A AGF | 
 Bcd AFD | EFG ABc | def ecA | Bcd efg | fed cBA | Bcd egf | edc d3 :|  