Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:2/2
K:G
['G2 DG BG (3Bcd c2 AB cdef', 'G2 (3def g2 dB GBdg (3efe cA'  
X:1
L:1/8
M:2/2
K:G
 BA | G2 DG BG (3Bcd | c2 AB cdef | g2 dg ecAG | FGAB cAFA | G2 DG BG (3Bcd | c2 AB cdef | 
 gdBG FAdc | B2 G2 G2 :: (3def | g2 dB GBdg | (3efe cA E3 g | (3fgf ed ^cdeg | (3fgf (3efe dcBA | 
 G2 DG BG (3Bcd | c2 AB cdef | gdBG FAdc | B2 G2 G2 :|  