Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:2/2
K:D
['BAFA ABdA BAFA ABde fded', 'BAFA ABde']  
X:1
L:1/8
M:2/2
K:D
 A2 | d3 A BAFA | ABdA BAFA | ABde fded | Beed egfe | d2 dA BAFA | ABdA BAFA | ABde fded | 
 cBAF D2 :: fg | a2 ag f2 fe | d2 dA BAFA | ABde fded | Beed egfe | abag fgfe | d3 A BAFA | 
 ABde fdec | dBAF D2 :|  