Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:2/4
K:A
['A/A/A/A/ ce', 'c>c cB'  
X:1
L:1/8
M:2/4
K:A
 e |:"A" A/A/A/A/ ce |"A" aa fe |"A" A/A/A/A/ ce |"F#m" aa"D" f2 |"A" A/A/A/A/ ce |"A" aa fe | 
"D" f>e"A" cA | z"D" F"A" A2 :|"A" c>c cB |"A" ce fe |"A" c>c ce |"B7" c/B/A"E" B2 |"A" c>c cB | 
"A" ce"D" f"A"e |"D" f/=g/a/ z/"E7" c>B |"A" c/B/"D"A"A" A2 |"A" c>c cB |"A" ce fe |"A" c>c ce | 
"B7" c/B/A"E" B2 |"A" c/B/c/B/ cB |"A" ce"D" f"A"e |"D" f/=g/a/ z/"E7" c>B |"A" c/B/"D"A"A" A2 ||  