Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:G
['(3(d/e/f/) g>fg>d B>cd>c A>GA>B G2 (3(DAB) c2', 'c>Bc>B A2 (3(DEF)'  
X:1
L:1/8
M:4/4
K:G
 (3(d/e/f/) | g>fg>d B>cd>c | A>GA>B G2 (3(DAB) | c2 (3(ABc) B2 (3(GAB) | A>G[AF]>G D2 (3(def) | 
 g>fg>d e>de>d | c>de>c d2 B>A | G>g (3(edc) B2 A2 | G2 [gG]>[gG] [gG]2 :: (3(GAB) | 
 c>Bc>B A2 (3(DEF) | A>A (3(DEF) A2 A>B | c>Bc>B A2 (3(DEF) | G>G (3(DEF) G2 G>A | 
 B>BB>d (3(cBc) (3(ABc) | B>BB>d (3(cBc) (3(ABc) | (3(Bcd) (3(efg) B2 A2 | G2 a>a a2 :|  