Craft a musical work adhering to the specified theme and structure.
X:1
L:1/16
M:2/4
K:G
['G2G2 ABcA', 'B2 ef g2g2{a} g2(fe) d2d2{e} d2(cB) G2AB{d}'  
X:1
L:1/16
M:2/4
K:G
 dB | G2G2 ABcA | (de).d.c B2dB | G2G2 ABcA | (de).d.c B2 :: ef | g2g2{a} g2(fe) | d2d2{e} d2(cB) | 
 G2AB{d} c2(BA) | G2G2G2 :|  