Craft a musical piece that incorporates the given motif and follows the outlined structure.
X:1
L:1/16
M:4/4
K:C
['B2>d2 cBAG B2d2 e2>g2 d2>e2 dBAG', 'gfga gfed efge'  
X:1
L:1/16
M:4/4
K:C
[M:2/4][K:G] e2a2 ue12[Q:1/4=70] .GA | B2>d2 cBAG | B2d2 e2>g2 | d2>e2 dBAG | B2A2 A2GA | 
 B2>d2 cBAG | B2d2 e2>g2 | d2>e2 dBAG | B2G2 G2 :| d2 | gfga gfed | efge d4 | Bded cBAG | 
 B2A2 A2d2 | gfga gfed | efge g2e2 | d2>e2 dcBA | B2G2 G2 :|  