Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
Q:1/2=60
M:2/2
K:D
["(3abc' d'afa dfad' bgef d2 ef", 'fada fada']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:D
 (3abc' | d'afa dfad' | bgef d2 ef | gaba gfed | cd[Be]c A2 (3abc' | d'afa dfad' | bgef d2 ef | 
 abag fedc | e2 d2 d2 :: ag | fada fada | gbeb gbeb | fada fada | ceAe ceAe | fada fada | 
 gbeb gbeb | ad'c'b agfe | d2 f2 d2 :|  