Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/4
M:4/4
K:G
['d e d c B B3/2 A/']  
X:1
L:1/4
M:4/4
K:G
 D | G G A A | B B/A/ G G | B A B c | d d/c/ B d | e d c B | B3/2 A/ A d | e d c B | B3/2 A/ A |]  