Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/8
Q:1/8=180
M:6/8
K:Bb
['B,3 B3 AGF GFD', 'dcB dcB gfe']  
X:1
L:1/8
Q:1/8=180
M:6/8
K:Bb
|: F | B,3 B3 | AGF GFD | B,3 BAB | GcB AGF | B,3 B3 | AGF GFD | EDE CFE | DB,B, B,2 :: f | 
 dcB dcB | gfe gfe | dcB fdB | AGF Ace | dcB dcB | gfe gab | fed cdB | FBA B2 :|  