Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:2/4
K:G
['BB BA cc cB gd BG', 'G2 dd Td2 cc Tc2 BB TB2'  
X:1
L:1/8
M:2/4
K:G
|: BB BA | cc cB | gd BG | A/G/A/c/ BG | BB BA | cc cB | gd BG | A/G/A/B/ G2 :: dd Td2 | cc Tc2 | 
 BB TB2 | AA TA2 | BB BA | cc cB | gd BG | A/G/A/B/ G2 :|  