Incorporate the motif and the alphabetical representation of the specified musical sequence to create a unique piece of music.
X:1
L:1/8
Q:1/4=90
M:6/8
K:Bb
['B2 B B2']  
X:1
L:1/8
Q:1/4=90
M:6/8
K:Bb
 B2 B B2 c | A2 G F3 | F2 F (FG) A | B2 =E F3 | c2 F d2 d | d2 _B e3 | (ed) c f2 B | d2 c B3 | 
 B2 B B2 d | f2 c A3 | G2 G G2 B | d2 B A3 | c2 c (=Bc) d | e2 e e3 | d2 f B2 e | d2 c B3 |]  