Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/4
M:12/8
K:Ddor
['A G/F/ E G', 'd c', 'D E/F/', 'B2 B c/B/ A G', 'F2 A G/F/ E G F/E/ D', 'A2 D E/F/ G A E2 C']  
X:1
L:1/4
M:12/8
K:Ddor
|: A G/F/ E G F/D/ F/G/ | A G/F/ E G F D | E D/C/ B, D C/A,/ C/D/ | E D/C/ B, D C A, :| 
 d f/e/ d c d c | A c/B/ A G F D |: D E/F/ G A E2 | E/F/ E/D/ C D E/F/ E/D/ | D E/F/ G A E2 |1 
 E/F/ E/D/ C D D2 :|2 A G/F/ E F D2 |: d d/c/ B A A D | D E/F/ G A B2 | B c/B/ A G B2 | 
 B c/B/ A G A D :: A G/F/ E G F/E/ D | E C/D/ E F F2 | A G/F/ E G F/E/ D | E C/D/ E F D2 :: 
 d c/B/ c A B2 | G A/B/ c B A2 | D E/F/ G A E2 | C D/E/ F E D2 :|  