Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
Q:3/8=120
M:6/8
K:A
['cde efe edc Bcd ecA', 'ECE ECE F3 F3', 'e2 e', 'cBA d2 d']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:A
 cde efe | edc Bcd | ecA G2 A | B3 E3 | cde efe | edc Bcd | ecA F2 G | A3 A,3 :: ECE ECE | F3 F3 | 
 GEG GEG | A3 A3 | ECE ECE | F3 F3 | GEA BAG | A3 A,3 :|[M:6/8][K:D][Q:3/8=120] c/d/ | e2 e e2 e | 
 e>fd c>BA | d2 d fed | cAc e2 c/d/ | eee eee | efd cBA | d2 d f2 a | gec d2 :: g/a/ | 
 (a2 f) (g2 e) | (f2 d) cBA | d2 d fed | cAc e2 f/g/ | afa geg | fdf cBA | d2 d f2 a | gec d2 :|  