Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
Q:1/8=232
M:4/4
K:Bb
['B,2 DF BA cB G2 ce g^f', 'cB A2 A,C EF Ac B2 B,D']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:Bb
|: F/E/D/C/ | B,2 DF BA cB | G2 ce g^f ag | f=e gf _ec AF | (3(Bdc) (3(BAG) FE DC | B,2 DF BA cB | 
 G2 ce g^f ag | fe cA F^F GA | B2 B2 B2 :: cB | A2 A,C EF Ac | B2 B,D FB df | =e2 =EG Bc eg | 
 f=e ge f2 cB | A2 A,C EF Ac | B2 B,D FB df | =ec =Bc dc be | f=e ge f2 :|  