Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
['G<GG<G B<d d2', 'g4 b>ga>g f2 d2 e<eg>e d>cBG g<gb>g'  
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
 G<GG<G B<d d2 | cA c/B/A/G/ A>G FD | G<GG<G B<d d2 | e>gf>a g4 :| b>ga>g f2 d2 | e<eg>e d>cBG | 
 g<gb>g a>gfd | eg f/g/a/f/ g2 ga/b/ | c'>ab>g a>geg | d>Bg>B c/B/A/G/ A>B | G<GG<G c<e e2 | 
 dg f/g/a/f/ g2 |]  