Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
M:4/4
K:G
['D2 BD', 'dBeB dBBB e2'  
X:1
L:1/8
M:4/4
K:G
 BA | GEEE D2 BD | D2 BD GABA | GEEE DBBB | DEGA B2 BA :| GBBB dBeB | dBBB e2 eg | dBBd e2 dB | 
 BABG ABce | dBBB dBeB | dBBB e2 ef | gfed edBd | cABG AcBA |]  