Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:2/4
K:D
['Ad fd', 'fe e>^d ef']  
X:1
L:1/8
M:2/4
K:D
|: B/ | AF A2 | BG B2 | Ad fd | ed B/c/d/B/ | AF AF/A/ | BG Bd/B/ | Ad fd | ed d3/2 :: B/ | 
 Ad f>g | fe e>^d | ef ga | ba f/g/a/f/ | Ad ff/g/ | fe e>^d | ef af | ed d3/2 :|  