Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
M:6/8
K:D
['F2 A G2 B', 'faf def']  
X:1
L:1/8
M:6/8
K:D
 F2 A G2 B | ABc d3 | F2 A G2 B | AFD E3 | F2 A G2 B | ABc d3 | f2 d g2 f | edc d3 :: faf def | 
 gfg efg | faf def | ecA Ace | faf def | gfg efg | f2 d g2 f | edc d3 :|  