Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:4/4
K:A
['F2 A3 E']  
X:1
L:1/8
M:4/4
K:A
|:"A" E2 AB c3 E |"F#m" F2 EF"A" A3 E |"A" E2 Ac- c2 ef | e2 c=c"E" B2 z E |"A" E2 AB c3 E | 
"F#m" F2 EF"A" A3 E | EABc- c2 ef |"A" c2 B2 A2 z E ::"A" e e2 A"F#m" f f2 A | 
"A" eE [FA]2- [FA]2 z A |"A" e e2 A"F#m" f f2 A | a2 =cB-"Bm" B2 cd |"A" eAAA ABcA | 
"F#m" F2 EF"A" A3 E |"E" EABc"A" c2 ef | c2 B2 A3 E :|  