Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/16
M:3/4
K:Amin
['e2>c2 Acfd e4 a2>^g2 egbg a4 |{f}', 'e4 c2>B2 ABcd e2c2']  
X:1
L:1/16
M:3/4
K:Amin
 e2>c2 Acfd e4 | a2>^g2 egbg a4 |{f} e2>d2 cBcd e2f2 | e2d2 cBA^G ^F4 | e2>c2 Acfd e4 | 
 a2>^g2 egbg a4 |{f} e2>d2 cBcd e2c2 | B2^GB A8 :: e2e2 a2a2 ^c2d2 | efge d4 e4 | c2>B2 ABcd e2c2 | 
 B2A2 ^G2G2 BcBA | e2e2 a2a2 ^c2d2 | efge d4 e4 | c2>B2 ABcd e2c2 | B2^GB A8 :|  