Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:3/4
K:G
['g z', '=c{dc}B A{BA}(G B)(A/G/) A<^F GA Bc d(e/^f/)']  
X:1
L:1/8
M:3/4
K:G
 .vg z f/{gf}e/d e>f | g>a b(a/g/) a{g}f | g(a/g/) f(e/d/) e>f | .g z b4 | g z f/{gf}e/d e>f | 
 g>a b(a/g/) a{g}f | g(a/g/) e(d e)f |1 g z G,4 :|2 g z G,3 |:[K:Dmin] (3(ud/e/^f/) | 
 ga =f2 e{fe}(d | ^c)d Ad =c{dc}B | A{BA}(G B)(A/G/) A<^F | GA Bc d(e/^f/) | ga =f2 e{fe}(d | 
 ^c)d Ad =cB | A(G B)A/G/ (A/4G/4^F3/2) |1 G4 z :|2 G4 z2 |]  