Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/4
M:4/4
K:Eb
['G, A, B, E']  
X:1
L:1/4
M:4/4
K:Eb
 G, A, B, E | D C B, G, | E C B, G, | F, A, G, C | B,2 =A,2 | B,3 z | D E F D | E B, A, F, | 
 G, A, B, E | E2 D2 | E3 z |]  