Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/4
M:3/4
K:D
['A/>G/ [FA]3/2', 'c B']  
X:1
L:1/4
M:3/4
K:D
 A/>G/ |:"D" [FA]3/2 D/ [DA] | d c B |"G" G3 | B3 |"A" A2 c | e2 a |1"D" f3 | d A- A/>G/ :|2 
"D" d3 | d e f |:"Em" g2 g/e/ | c e g |"D" f3 | A d f |"A" e3 |1 c B A |"D" f3 | f e f :|2 
"A" c B c |"D" d3 | d z ||  