Construct a music composition that complies with the designated structure and theme.
X:1
L:1/16
M:4/4
K:Eb
['E2 F2 G2 A2']  
X:1
L:1/16
M:4/4
K:Eb
 B, | E2 F2 G2 A2 | B6 (3BAF | E6 (3ECD | B,6 B,2 | E2 F2 G2 A2 | [EB]6 (3EFG | A4 A3 G | 
 B2 B2 c2 A2 | B6 (3GFD | E4 x4 |]  