Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:2/4
K:Edor
['', 'GE ED B,E', 'BA Be df e3 f g2 f2']  
X:1
L:1/8
M:2/4
K:Edor
 B>A |: GE ED | B,E E>F | GF ED | GA B/d/B/A/ | GE ED | B,E E2 | B>A GF |1 E2 B>A :|2 E3 A |: 
 Be ef | ed BA | Be df | e3 f | g2 f2 | ed BA | BE E/F/G/A/ |1 B3 A :|2 B4 ||  