Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
Q:1/4=120
M:3/4
K:G
['(gf) (ag) (ba)', "g4 c2 (b3 a)gf e4 e2 (c'3", "e)dc Bdgbd'b c'a fd ef gb .a.g.fe", "c')bc'b d2 (ba)(bg) d2 (a^g)(af) (gb)(ag)(fe) d3"]  
X:1
L:1/8
Q:1/4=120
M:3/4
K:G
"^f" d2 | (gf) (ag) (ba) | (c'b)(ag)(fe) | (d>e) (e>f) (f>g) | g>b a>c' gd | (gf) (ag) (ba) | 
 c'bagfe | d2 e2 f2 | g4 :: c2 | (b3 a)gf | e4 e2 | (c'3 b)ag | f4 e2 | (d'3 c')ba | g3 fed | 
 d2 e2 f2 |{B} g4 :: d2 |"^p" (d3 e)dc | Bdgbd'b | c'a fd ef | gb .a.g.fe | d3 edc | Bdgbd'b | 
 (c'a)(fd)(ef) | g4 :: d2 | (d2 c')bc'b | d2 (ba)(bg) | d2 (a^g)(af) | (gb)(ag)(fe) | d3 edc | 
 (Bd)(gb)(d'b) | (c'a)(fd)(ef) | g4 :|  