Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:2/2
K:G
['B/c/B Ac', 'BABd eaaf'  
X:1
L:1/8
M:2/2
K:G
 ef | gedB G3 A | B/c/B Ac BGEF | G3 E DEGA | BGdB A2 Bd | gedB G3 A | B/c/B Ac BGEF | G3 E DEGA | 
 B/c/B Ac BG G2 || d2 ed BABd | eaaf gfef | d2 ed BABd | eaaf g3 e | dfed BABd | eaaf gfef | 
 d3 d e3 g | faaf g3 ||  