Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:2/2
K:G
['GBAF G2 ge dBAc', 'dgbg agbg', 'ge dBAc', 'agbg (3ege dg egde g3 b agbg'  
X:1
L:1/8
M:2/2
K:G
 GBAF G2 ge | dBAc BGEF | GBAF G2 ge | dBAc BGGF | G2 (3Bcd g3 e | dBAc BGEF | GBAF G2 ge | 
 dBAc BG G2 || dgbg agbg | egdg eg d2 | dgbg agbg | egfa g3 e | dgbg agbg | egdg eg d2 | 
 gGfG eGdG | egfa gedB ||"^variations" GBAF G2 ge | dBAc BGEF | GBAF G2 ge | dBAc BAGF | 
 G2 (3Bcd g3 e | dBBA BGEF | GBAF G2 ge | dBAc BG G2 || dgbg agbg | (3ege dg egde | g3 b agbg | 
 egfa g3 e | dgbg agbg | egdg eg d2 | g3 d edBd | egfa gedB ||  