Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
Q:1/8=3
M:6/8
K:G
['D G2 G G>Bd e2 e d>BG', 'd e2 d B2 d g>fe d2', 'e3 d3']  
X:1
L:1/8
Q:1/8=3
M:6/8
K:G
|:"^A" D | G2 G G>Bd | e2 e d>BG | A2 d B>AG | E2 F G2 ::"^B" d | e2 d B2 d | g>fe d2 d | 
 e2 d B2 d | g>fe d2 c | B2 B B>cd | e2 e d>BG | A2 A B>AG | E2 F G2 ::[Q:1/8=3]"^C" z | d3 e3 | 
 d3 B3 | d3 (2:3:2gf | e3 d3 | d3 e3 | d3 B2[Q:1/8=3] d | g>fe d2 c | B2 B B>cd | e2 e d>BG | 
 A2 A B>AG | E2 F G2 :|  