Craft a musical piece that incorporates the given motif and follows the outlined structure.
X:1
L:1/8
M:6/8
K:G
['G A']  
X:1
L:1/8
M:6/8
K:G
 B c d e2 e A B c d2 D G A B c2 c F G A B3 | E F G A B c d B A G A B c A G F E D C D E F G A | 
 B c d e2 e A B c d2 D G A B c2 c F G A B3 | E F G A B c d B A G A B c A G F G A G3 G3 | 
 =F G A B A G E3 A3 =F G A B c d e2 d c B A | G A B ^c B A F3 B3 G A B ^c d e f2 e d2 c | 
 B c d e2 e A B c d2 D G A B c2 c F G A B3 | E F G A B c d e f g3 e f g a g f g3 g3 ||  