Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:4/4
K:Ador
['B>d e2 A>B A2 dc B>dA>B G2', 'A2 B>A G2 (g>a) g3 a (ba)(ge)', 'A2 B>d e2 A>B (d/e/d/c/) (B/c/B/A/) G2', 'A2 B>A G2 (Bd) g3 a (b/a/)(g/f/)']  
X:1
L:1/8
M:4/4
K:Ador
 B>d | e2 A>B A2 dc | B>dA>B G2 g>a | (ba)(ge) (ge)"^tr"(dB) | e2 A>B A2 :: B>A | G2 (g>a) g3 a | 
 (ba)(ge) d3 g | e2 a>b a3 b | (c'b)"^tr"(ag) e2 g>a | b2 (d'b) a2 ba | g>age (de)g>a | 
 (ba)(ge) (ge)"^tr"dB | e2 AB A2 :: B>d | e2 A>B A(g"^tr"fe) | (d/e/d/c/) (B/c/B/A/) G2 (g>a) | 
 bgab GABd | e2 A>B A2 :: B>A | G2 (Bd) g3 a | (b/a/)(g/f/) (a/g/)(f/e/) d3 g | e>d(eg) a>g(ab) | 
 c'b (c'/b/)(a/g/) e2 g>a | b>d'c'b a>c'ba | g>agB dega | (b/a/g) (a/g/e) (g/e/d) e/d/B/d/ | 
 e2 A>B A2 :|  