Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:2/4
K:G
["dB/c/ de dg b2 ac'/b/", 'B/c/ ded B/c/'  
X:1
L:1/8
M:2/4
K:G
 z | dB/c/ de | dg b2 | ac'/b/ af | ge d2 | dB/c/ de | dg b2 | ac'/b/ af | ggg :: B/c/ | ded B/c/ | 
 ded B/c/ | de dB | c2 z A/B/ | cdc A/B/ | cdc c/d/ |1 ed cA | B2 z :|2 f>e d/c/B/A/ | G2 z |]  