Compose a piece adhering to the given musical structure and theme.
X:1
L:1/16
M:2/4
K:G
['D2 G2G2G2 Bc dBGB dBGB A2A2A2gf Te2>d2', 'dc B2G2G2'  
X:1
L:1/16
M:2/4
K:G
 D2 | G2G2G2 Bc | dBGB dBGB | A2A2A2gf | Te2>d2 efg2 | dcBA GABc | dBGB d2>B2 | ABcd BcAB | 
 G2E2E2 :: dc | B2G2G2 dc | B2G2G2 ed | ^c2A2A2fg | a2A2A2Bc | d2G2B2G2 | e2G2d2cB | ABcd BcAB | 
 G2E2E2 :|  