Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/16
Q:1/4=100
M:2/4
K:Bb
['B2B2 B2AB c2c2', 'B6 fe d2d2 d2cd e2e2 e2(eg) c2c2', 'B2 F2 BAGF (ED)(EC) cAFE (ED)(BA) (AG)(ed)', 'ABGB FBdB']  
X:1
L:1/16
Q:1/4=100
M:2/4
K:Bb
 (fd) | B2B2 B2AB | c2c2 c2ec | A2GF G2A2 | B2d2 F2(fd) | B2B2 B2AB | c2c2 c2(ec) | BAGF GBAc | 
 B6 :: fe | d2d2 d2cd | e2e2 e2(eg) | c2c2 c2(Bc) | d2d2 d2fd | B2B2 B2AB | c2c2 c2ec | BAGF GBAc | 
 BFDF B2 :: F2 | BAGF (ED)(EC) | cAFE (ED)(BA) | (AG)(ed) (dc)(cB) | B4 (A2F2) | BAGF EDEC | 
 cAFE EDBA | AGec cBBA | B6 :: (fd) | (ef)(de) ccec |"^yes, 6 bars" decd BBdB | ABGB FBdB | 
 ABGB FBdB | AGec cBBA | B6 :|  