Compose music by following the designated structure and integrating the suggested musical idea.
X:1
L:1/8
M:2/4
K:A
['BA GA B,2']  
X:1
L:1/8
M:2/4
K:A
 E2 | (CA,) CE | A2 (Bc) | BA GA | B,2 (C)D | E2 GF | E2 B,=C | ^C4 | z2 E2 | CA, CE | A2 Bc | 
 BA GA | B,2 GF | EE GF | E/ E3/2 DB, | A,2 |]  