Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:6/8
K:Amix
['', 'def e2', 'a2 e{f} g2 a e2 c cBA']  
X:1
L:1/8
M:6/8
K:Amix
 e |: ecB ABA |{c} def e2 e | ecB ABA | edc B2 e | ecB ABA |{c} def e2 A | c2 e edc |1 BGB A2 e :|2 
 BGB A3 |:{B} cBA def | e2 c cBA |{c} def e2 A | edc B2 e |{B} cBA def | e2 c cBA |{B} c2 e edc | 
 BGB A3 :: a2 e{f} g2 a | e2 c cBA | def e2 A | edc B2 e | a2 e{f} g2 a | e2 c cBA | c2 e edc | 
 BGB A2 e :|  