Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:2/4
K:E
['F/ G/- G2']  
X:1
L:1/8
M:2/4
K:E
 z2 EG | B2 Bc | B2 E F/ G/- | G2 G F/ G/- | G2 z E/E/ | F2 FG | F2 CE | F2 F/ C/- C | E4- | 
 E2 z2 |]  