Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:6/8
K:A
['B2 A A3']  
X:1
L:1/8
M:6/8
K:A
 A, |"A" C>B,A,"D" FEC |"A" E3 E2 A, |"A" C>B,A,"D" FEC |"E" B,3 B,2 A, |"A" C>B,A,"D"FEC | 
"A" E2 A,"D" A2 F |"A" EA,C"E" B,2 A, |"A" A,3 A,2 || A |"A" c>BA"D" fec |"A" e3 e2 A | 
"A" c>BA"D" fec |"E" B3 B2 AA |"A" c>BA"D" fec |"A" e2 A a2 f |"A" eAc"E" B2 A |"A" A3 A2 || c | 
"F#m" fgf"D" agf |"A" e3 e2 c |"F#m" fec"A" eAc |"E" B3 B2 c |"F#m" fgf"D" agf |"A" eAB"D" c<af | 
"A" eAc"E" B2 A |"A" A3 A2 ||  