Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/16
M:2/4
K:G
['g2 bg dBcA ceBd AGEG', 'G2 DEFG ABcA BGAF GBdf |{a} gfge'  
X:1
L:1/16
M:2/4
K:G
 ud2"^Segno" | g2 bg dBcA | ceBd AGEG | GFGE DFAB | ceBd Acef | g2 bg dBcA | ceBd AGEG | 
 GFE z g2 fg | ecAF G2 :: DEFG ABcA | BGAF GBdf |{a} gfge ddef | gbfa edef | gafg edAB | 
 ceBd AGEF | GFGE z gfg | ecAF G2 z2"^Segno" :|  