Construct a piece of music using the designated motif as the basis, while ensuring the required form is followed.
X:1
L:1/8
M:2/4
K:A
['A>B cA', 'ec BA Bc A>B AF FE'  
X:1
L:1/8
M:2/4
K:A
|:"A" A>B cA | BA cA | A>B cA | BA"D" FE |"A" A>B cA | BA ce |"D" A>B AF |"E" FE E2 ::"A" e>f ec | 
 BA Bc | e>f ec | BA"D" F2 |"A" e>f ec | BA Bc |"D" A>B AF |"E" FE E2 :|  