Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/16
M:3/4
K:D
['a2fa g2eg f4 f2df e2ce d4 A2dc', 'AGFG AGFG AGFA B2Bd c2Bc d4']  
X:1
L:1/16
M:3/4
K:D
 a2fa g2eg f4 | f2df e2ce d4 | A2dc B2ef g2B2 | c2ed c2f^g a2c2 | d2>A2 B2c2 d2F2 | E2dc d4 D4 :: 
 AGFG AGFG AGFA | B2Bd c2Bc d4 | AGFG AGFG AGFA | B2Bd c2Bc d4 | g2>f2 f2e2 e2g2 | 
 f2>e2 d2c2 B2>d2 | BcdB dcBA a2A2 | Adce d8 :|  