Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:4/4
K:G
['G>ED>E G>AB>A G>ED>E G>AB>c', 'G2 e2 e>f e>dB>A d2 d>e d>BG>B'  
X:1
L:1/8
M:4/4
K:G
 G>ED>E G>AB>A | G>ED>E G>AB>c | d2 e>B d>BG>B | A2 A>B A2 B>A | G>ED>E G>AB>A | G>ED>E G>AB>c | 
 d>Be>B d>BG>B | (3ABA G>F G2 :| e2 e>f e>dB>A | d2 d>e d>BG>B | c2 A>c B2 A>G | E>AA>G A2 B>A | 
 G>ED>E G>AB>A | G>ED>E G>AB>c | d>Be>B d>BG>B | (3ABA G>F G2 :|  