Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
Q:1/4=100
M:4/4
K:G
['G>G GG', 'B2 B'  
X:1
L:1/8
Q:1/4=100
M:4/4
K:G
"^Con Spirito" D |"_Key sig two sharps in ms" G>G GG G>G GG | G>G GG G3 G | G>G GG G>G GG | 
 G>E EE A3 D | AA AA AA AA | AA AA A3 A | A>A A>A A>A A>A | A>A BA G3 |:[M:6/8][Q:3/8=110] G/A/ | 
 B2 B B2 B | c2 c c2 c | B2 B B2 B | A2 z z2 A | B2 B B2 B | c2 d e2 !fermata!g | d2 c B2 A | 
 G2 z z2 :|  