Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:4/4
K:G
['A2 GA']  
X:1
L:1/8
M:4/4
K:G
 eB B2 eBdB | A2 GA BA A2 | eB B2 eBdB | A2 GA BG G2 | eB B2 eBdB | A2 GA BA A2 | GB B2 dB B2 | 
 A2 GA BG G2 | g2 fg egde | g2 fg eaaf | g2 fg egdB | A2 GA BG G2 | g2 fg egde | g2 fg ea a2 | 
 bgaf gedB | A2 GA BG G2 |]  