Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/4
M:6/4
K:Bb
['B B']  
X:1
L:1/4
M:6/4
K:Bb
 A/A/ | B2 B B c d | c A F F G A | B A G G3/2 A/ G | ^F3/2 G/ A A A G/A/ | B B B B (c) d | 
 c A B B c d | B A G ^F2 G | G2 G D2 B, | C3/2 D/ C D2 D | G3- G2 ||  