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
['A d3 A', 'Te2 e>de>f e2 A2 e>de>f a4 f>ef>g']  
X:1
L:1/8
M:4/4
K:D
 A | d3 A d3 A | d>cd>e f>e e2 | f>ef>g a2 g>f | e2 e>e Te2 |] e>de>f e2 A2 | e>de>f a4 | 
 f>ef>g b2 g>f | e3 d d3 :|  