Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
Q:1/4=120
M:2/4
K:Gmix
['.d(e/d/) .c.A']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:Gmix
 .d(e/d/) .c.A | .d(e/d/) .c.A | (B/A/).G .G.B | d2 d2 | .d(e/d/) .c.A | .d(e/d/) .c.A | 
 (B/A/).G .G.A | G2 G2 |]  