Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:2/2
K:Bb
['FEDB dfdB cBAc egec Bfdf', 'f2 fede fbfd fgdf c2 Fd eeeB']  
X:1
L:1/8
M:2/2
K:Bb
"^qu" F2 | FEDB dfdB | cBAc egec | Bfdf egdf | cfAc BABG | FEDB dfdB | cBAc egec | Bfdf cabe | 
 d2 B2 B2 ::"^qu" f2 | fede fbfd | fgdf c2 Fd | eeeB defg | BAcA F2 FE | DB,DF dfff | EDEC eggg | 
 Bfdf cabe | d2 B2 B2 :|  