Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:3/4
K:Eb
['GA B2 G2 FG A2 F2 z2']  
X:1
L:1/8
M:3/4
K:Eb
 GA | B2 G2 FG | A2 F2 z2 | EGGBGF/E/ | FFGGB/A/G/F/ | G4 F2 | E4 GA | B2 G2 FG | A2 F2 z2 | 
 EGGBGF/E/ | GE/F/GF/G/B/A/G/F/ | G4 F2 | E4 |]  