Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/8
M:2/4
K:D
['A, DDFF AAAA BBdB A2 z F']  
X:1
L:1/8
M:2/4
K:D
 A, | DDFF | AAAA | BBdB | A2 z F | G>AGE | F>AFD | E>FED | A2 FD | AGFA/F/ | E2 z |]  