Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:6/8
K:D
['BAF AFD', 'def d2']  
X:1
L:1/8
M:6/8
K:D
 BAF AFD | F3 DFA | BAF AFD | FED EFA | BAF AFD | FEF DFA | dcB AFE | FDD D2 A :| def d2 B | 
 AFA AFA | def d2 f | ede fdB | def d2 B | AFA ABc | dcB AFE | FDD D2 A :|  