Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/8
M:6/8
K:Bb
['fgf edc B2 B', 'cFF ecA']  
X:1
L:1/8
M:6/8
K:Bb
 f | fgf edc | B2 B b2 g | fgf fed | cBc cde | fgf edc | B2 B B2 F | GAB FGA | B2 B B2 :: F | 
 cFF ecA | cFF ecA | BFF dBd | fgf dcB | cFF ecA | cFF ecA | B2 B cBc | B2 B B2 :|  