Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/8
M:2/2
K:Bb
['(3cBA B2 B,2- B,2 (CD) EFGA B2', 'B2 BA Bd f2- f2 (ed) (cB)(cd)']  
X:1
L:1/8
M:2/2
K:Bb
 (3cBA | B2 B,2- B,2 (CD) | EFGA B2 d2 | cBAG FGAB | (AB/c/) C2- C2 ED | EDEF GFGA | 
 BABc (Bc/d/) (cB) | F/BBdB FAcA | B2 B2- B2 :: BA | Bd f2- f2 (ed) | (cB)(cd) e4 | 
 (G^FGA) (BABc) | (Bc/d/) C2- C2 ED | EGgf edcB | ABcB AGFE | (DF)(BD) (CB)(Ac) | B2 (B,2 B2) :|  