Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:2/4
K:G
['BA A>A BG G>G BA', 'ed Bg g>a ba ab']  
X:1
L:1/8
M:2/4
K:G
 BA A>A | BG G>G | BA g>a | ge ed | BA A>A | BG G>G | BA gg | e2 ed :: Bg g>a | ba ab | g2 g>a | 
 ge ed | Bg g>a | ba ab | ga/g/ fd | e2 ed :|  