Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/16
M:2/4
K:D
['(3(ABc d)ddf', 'd2 z2 a4 f4 d2d2 d4 A2d2', '[DF]2[FA][FA] [FA]2[FA]2']  
X:1
L:1/16
M:2/4
K:D
 (3(ABc | d)ddf d2 (3(ABc | d)ddf d2(3(ABc | d2)f2 fefg | f2e2 e2(3(ABc | e)eeg e2 (3(ABc | 
 e)eeg e2(3(ABc | e2)e2 efga | f2d2 d2 :| z2 | a4 f4 | d2d2 d4 | A2d2 ddfg | f2e2 e2 z2 | g4 e4 | 
 c2c2 c2>B2 | A2A2 Bcdg | f2d2 d2 :| z2 | [DF]2[FA][FA] [FA]2[FA]2 | [DF]2[FA][FA] [FA]2[FA]2 | 
 [GB]2[Bd]2 [Ac]2[GB]2 | [FA]6 [GB]2 | [FA]2[EG]2 [EG]3 [FA] | [EG]2[DF]2 [DF]2[FA]2 |1 
 [GB]2[FA]2 [EG]2[DF]2 | [CE]6 [FA]2 :|2 [GB]4 [EGc]4 | [Fd]6 |]  