Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/4
Q:1/4=160
M:3/4
K:C
['G G', 'A G'  
X:1
L:1/4
Q:1/4=160
M:3/4
K:C
 G G G | G2 A | G3 | E F E | D2 C | E3 :| G G B | c2 B | D3 | G G B | B A G | A3 | D A B | c2 d | 
 B A G | D3 | A A G | B3 | G3 | D3 | A A ^F | G3 ||  