Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/16
M:2/4
K:D
['A^GAd AGAd', 'ADB,D z2 D2 A,F FA z2 B2']  
X:1
L:1/16
M:2/4
K:D
 F2 |{G} FEFD d2>B2 | A2F2 E2D2 | F2D2 B,2A,2 |{G} FEFD d2>B2 | AG ED D2d2 | A^GAd AGAd | 
 DFEF A,DB,D | A^GAd AGAd | DFEF D2d2 || A^GAd AGAd | DFEF ADB,D | z2 D2 A,F FA | z2 B2 AFEF | 
 D4 z2 ||  