Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:2/4
K:Ddor
['DE F2 d2 E2 e2 d2', 'DE F2 FD C2 CA,']  
X:1
L:1/8
M:2/4
K:Ddor
 DE | F2 d2 E2 e2 | d2 c2 A2 DE | F2 d2 E2 e2 | d2 ^c2 d2 :: DE | F2 FD C2 CA, | B,2 B,^C D2 DE | 
 F2 FD C2 CA, | B, ^C3 D4 :|  