Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:4/4
K:D
['A3 B AFED', 'Bcde f3']  
X:1
L:1/8
M:4/4
K:D
 dB |:"D" A3 B AFED |"G" B3 A BcdB |"D" A3 B AFED |1"Em" gfed"A7" BcdB :|2"Em" gfed"A7" Bcde || 
"D" f3 d"Em" g2 ge |"D" f3 d"A7" Bcde |"D" f3 d"Em" g3 e |"D" afed"A7" Bcde |"D" f3 d"Em" g2 ge | 
"D" f3 d"A7" Bcde |"D" defg"Bm" afbf |"Em" afed"A7" Bcde || d8 ||  