Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
Q:1/4=120
M:2/4
K:D
['f d2 c/d/', 'A,2 A/B/c/d/ ce A d2 f A']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:D
"_Allegro" f d2 c/d/ | e A2 B/c/ | dBAG | FEFD | f d2 c/d/ | eAfd | cBA^G | A2 A,2 :: A/B/c/d/ ce | 
 A d2 f | A e2 g | g/f/e/d/ d/c/B/A/ | f d2 c/d/ | eABG | FdEc | d2 D2 :|  