Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:3/4
K:Dmin
['(3:2:4g2 ef d2 e>d (3:2:4^c2 =BA G2', '(3F2 E2 F2 D>E (3:2:4F2 E2 DE']  
X:1
L:1/8
M:3/4
K:Dmin
 (3:2:4g2 ef d2 e>d | (3:2:4^c2 =BA G2 F>G | (3:2:5A2 gf3/2ed/ e>A | (3^ce d4 A2 | 
 (3:2:4g2 ef d2 e>d | (3:2:4^c2 =BA G2 F>G | (3:2:5A2 gf3/2ed/ e>A | (3^ce d4- d2 :: 
 (3F2 E2 F2 D>E | (3:2:4F2 E2 DE F>G | (3ABc d2 A2 | (3F2 E2 F2 D>E | (3:2:4F2 E2 DE F>G | 
 (3ABc d>e f>e | (3^cec d4 :|  