Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:A
['eA cA', 'ea ca']  
X:1
L:1/8
M:2/4
K:A
|: c/d/ | ec f/e/d/c/ | eA Ac/d/ | eA ed/c/ | dB Bc/d/ | eA cA | eA cA | d/e/f/d/ c/d/e/c/ | 
 dB B :: c/d/ | ea ca | eA Ac/d/ | ea ca | fB Bc/d/ | ea ca | eA cA | d/e/f/d/ c/d/e/c/ | dB B :|  