Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:2/4
K:Bb
['B2 (3(GFE) D[B,B] DF', 'B4 B>df>d b>dc>B A>Bc>A a>cB>A G>AB>G g>ed>c', 'G4 f>d (3(dcB) b>a (3(agf) e>d (3(dcB)']  
X:1
L:1/8
M:2/4
K:Bb
|: B2 (3(GFE) | D[B,B] DF | B2 (3(dcB) | AF Ac | B2 (3(GFE) | D[B,B] DF | d>B F>A | B4 :: B>df>d | 
 b>dc>B | A>Bc>A | a>cB>A | G>AB>G | g>ed>c | B>G B/A/G/F/ | G4 :: f>d (3(dcB) | b>a (3(agf) | 
 e>d (3(dcB) | A>GF>E | DFBd | EGce | cA FA | B4 :|  