Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:C
['cA AG']  
X:1
L:1/8
M:4/4
K:C
 z6 e>d | cA AG EA Ac | B/A/G/A/ BG A2 e>d | cA AG EA Ae | e>d cB A2 z B | c>B ce d>c de/d/ | 
 cB Ac B2 z e/d/ | cA AG EA Ae | e>d cB A2 e>d | cA AG E/A/A/A/ AA | G/G/G/G/ G/A/B/c/ d2 e>d | 
 cA AG E/A/A/A/ AA | ee e/d/c/B/ A4 ||  