Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
Q:1/2=80
M:2/2
K:G
['d/c/B/A/ Gd edcB', 'd/c/B/A/ Gd', 'BG A/B/c/A/']  
X:1
L:1/8
Q:1/2=80
M:2/2
K:G
 d/c/B/A/ Gd edcB | edcB gdcB | d/c/B/A/ Gd edcB | cdBc A2 D2 |: d/c/B/A/ Gd ecBg | 
 d/c/B/A/ Gd cA=fA | d/c/B/A/ Gd ecBg | c>dcA GG/G/ G2 |: BG A/B/c/A/ BG A/B/c/A/ | 
 BGcA =FA A/B/c/A/ | BG A/B/c/A/ BG A/B/c/A/ | c>dc>A GG/G/ G2 |]  