Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:6/8
K:D
['BAF ADD', 'def d2']  
X:1
L:1/8
M:6/8
K:D
 A | BAF ADD | FEF DFA | BAF ADD | FEE EFA | BAF ADD | FEF DFA | dcB AFE | FDD D2 :: A | def d2 B | 
 ABA AFD | def d2 f | ede fdB | def edB | AFA ABc | dcB AFE | FDD D2 :|  