Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:2/2
K:G
['G2 GG G/A/B/c/ dB c2 AA', 'c2 AA A3'  
X:1
L:1/8
M:2/2
K:G
 (3DEF | G2 GG G/A/B/c/ dB | c2 AA A4 | c2 B/d/e/f/ gd BG | d2 de dcBA | G2 GG G/A/B/c/ dB | 
 c2 AA A3 d/c/ | B2 GB AGFA | G2 GG G2 :: (3def | g2 ga gedB | c2 AA A3 f/g/ | a2 ab gfed | 
 dg ge dcBA | G2 GG G/A/B/c/ dB | c2 AA A3 d/c/ | B2 GB AGFA | G2 GG G2 :|  