Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:4/4
K:G
['(3d^cd e>dB>G', '(3BAG E>^DE>F']  
X:1
L:1/8
M:4/4
K:G
|: (3d^cd | e>dB>G D>GB<g | f>ec>A E2 (3d^cd | e>dc>A E2 (3d^cd | e>dB>G D2 (3d^cd | 
 (3edB G>E (3DGB d>g | f<ec>A f2 (3d^cd | e>dc>A E>^EF<B | G2 g2 G2 :: (3BAG | E>^DE>F G>FG>E | 
 (3DGB (3dga b2 (3bag | f>ec>A E>^EF>B | (3GDG (3BGB g2 (3BAG | E>^DE>F G>FG>A | 
 B>^A (3Bdg b2 (3b=ag | f>ec>A e>^ef<b | .g2 .d2 .G2 :|  