Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
['(3(Bcd) ef g2']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
|: gf | e2 cA e2 cA | (3(Bcd) ef g2 ge | d2 BG dG BG | (3(Bcd) ef g2 gf | e2 cA e2 cA | 
 (3(Bcd) ef g2 ge | af ge df ec | A2 A2 A2 fg | a2 ab ag ed | (3(Bcd) ef g2 ge | d2 BG dG BG | 
 (3(Bcd) ef g2 gf | a2 ab ag ed | (3(Bcd) ef g2 ge | af ge df ec | A2 A2 A2 :|  