Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:2/4
K:Gmin
['Gc GA BA G>A BB AG', 'G/A/B AG FE'  
X:1
L:1/8
M:2/4
K:Gmin
 Gc GA | BA G>A | BB AG | cB AG :: G/A/B AG | FE D>F | ED ED/E/ | C/D/E/F/ G2 | G/A/B AG | FE D>E | 
 F/G/_A/F/ GF/E/ | F/E/D C2 |]  