Produce music that corresponds to the assigned chord modifications.
'D', 'G', 'D', 'D', 'G', 'A', 'D', 'D', 'A', 'D', 'D', 'A', 'D'  
X:1
L:1/8
M:2/2
K:D
 A2 |"D" f2 fg fedB | A2 FG AFAd |"G" BGGF G2 FG |"D" BAAF A2 de |"D" f2 fg fedB | A2 FG AFAd | 
"G" BGBd"A" cAce |"D" dfec d2 :: ag |"D" fdfa fdfa |"A" aggf g2 gf | edcB ABce |"D" baa^g a2 a=g | 
"D" fdfa fdfa |"A" aggf g2 gf | edcB ABce |"D" fdec d2 :|  