Construct a musical piece conforming to the alphabetically indicated blueprint and the supplied motif.
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
['dBAB DFBc dBAB F2 cd ecAc', '(3(fga) bfdf FBdf bfdf B2 cd ecAc']  
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
 FB | dBAB DFBc | dBAB F2 cd | ecAc FAce | gf=ef d2 Bc | dBAB DFBc | dBAB F2 cd | ecAc FecA | 
 c2 B2 B2 :: (3(fga) | bfdf FBdf | bfdf B2 cd | ecAc FAce | gf=ef d2 (3(fga) | bfdf FBdf | 
 bfdf B2 cd | ecAc FecA | c2 B2 B2 :|  