Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:A
['e/f/e cA', 'aAeA fAeA', 'E3/2A A/B/A', 'agfe dcBA']  
X:1
L:1/8
M:2/4
K:A
 f/ | e/f/e cA | e/f/e cA | e/f/e cA | dBBf | e/f/e cA | e/f/e cA | df ed | cA A :| aAeA | fAeA | 
 aAeA | dfBg | aAeA | fAeA | dfed | ce A2 :| E3/2A A/B/A | F>A A/B/A | E3/2A A/B/A | dBBc | 
 E3/2A A/B/A | F>A A/B/A | EdcB | cA :| agfe | dcBA | GABc | dB B2 | agfe | dcBA | EdcB | cA :|  