Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
['GGGG GGGG', 'z |!p!', 'DDEG B/G/B/d/ c/B/A/G/ AGEG AB/c/ BA DDEG', 'AAAA A3 G/A/ B2 ^c2'  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
!p! GGGG | GGGG | GG(GB) | .D.D(EG) | GGGG | GGGG | .G.G(GB) | .D.D(EG) |] 
!f! !fermata!b/b/b/b/ b z |!p! .a.g.e.g |!f! a/a/a/a/ a z |!p! ddeg |!f! b/b/b/b/ c'b | ageg | 
 a>aba | ddeg || B/G/B/d/ c/B/A/G/ | AGEG | AB/c/ .BA | DDEG | B/G/B/d/ c/B/A/G/ | AGEG | 
 AB/c/ BA | DDEG ||!f! GGGG | G3 F/G/ | AGFG | A3 D | AAAA | A3 G/A/ | B2 ^c2 | d3 z"_D.C." |]  