Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:3/4
K:D
['E3 G FE B4 (Bc) dc', '(gB) Bg gB']  
X:1
L:1/8
M:3/4
K:D
 (GFD) | E3 G FE | B4 (Bc) | dc Be dc | (dc) (BA) GF | E3 G FE | B4 (Bc) | dc BA GA | B3 (GFD) | 
 E3 G FE | B4 (Bc) | dc Be dc | (dc) (BA) GF | E3 G FE | B4 (Bc) | dc BA GA | B4 (ef) || | 
 (gB) Bg gB | =c3 c(ef) | gf ag fe | ^d2 (e2 f2) | (gB) Bg gB | (=c3 c (ef) | gf a g3) (fed) | 
 e3 B (ef) | (gB) Bg gB | =c4 ef | gf ag fe | ^d2 (e2 f2) | (gB) Bg gB | =c4 ef | gf ag fd | 
 e3 (GFD) ||  