Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/16
M:3/4
K:D
['ag f2 d4 ef (gfed) e2 A4', 'D4 fg (agfe) ^d2 b4 (ga) (bagf)']  
X:1
L:1/16
M:3/4
K:D
 ag | f2 d4 ef (gfed) | e2 A4 B2 A2G2 | F2A2G2B2 E2g2 | (fedc) d2 D4 :: fg | (agfe) ^d2 b4 (ga) | 
 (bagf) g2 e4 ef | (gfed) c2 a4 (fg) | (agfe) f2 d4 A2 | B2 g4 B2 (edcB) | ^c2 a4 c2 fedc | 
 dfb2 cea2 Bdg2 | (fedc) d2 D4 :|  