Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:2/4
K:D
['ed/e/ fd B2 Bg e/f/e/d/', 'FA A/B/A/G/ FA A2 df']  
X:1
L:1/8
M:2/4
K:D
|: A | d2 ed/e/ | fd B2 | Bg e/f/e/d/ | cB BA | dc/d/ ed/e/ | fd B2 | Bg e/f/e/d/ | c/d/e d :: 
 A/G/ | FA A/B/A/G/ | FA A2 | df e/f/e/d/ | cB BA | FA A/B/A/G/ | FA A2 | df ef/e/ | d2- d :|  