Assemble a musical composition that combines the featured motif and conforms to the defined alphabetical form.
X:1
L:1/8
M:2/2
K:D
['', 'ABAF ABde', 'B2 f>a', "g>bbc' d'c'ba b2 b2 :|2 Bd ABAF"]  
X:1
L:1/8
M:2/2
K:D
"^A" |: ABAF ABde | (3(fga) ef (dB)Bd | ABAF ABde |1 (3(fga) (ef) dcdB :|2 baef Td2 d2 |]"^B" |: 
 f>a (3.a.a.a g>b (3.b.b.b | afef dB |1 B2 | f>a (3.a.a.a g>bbc' | d'c'ba b2 b2 :|2 Bd | 
 ABAF ABde | baef Td2 d2 |]  