Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/16
M:2/4
K:A
['A2A2 c2B2 A4 agfe'  
X:1
L:1/16
M:2/4
K:A
"A" A2A2 |"D" B2cd"E" c2B2 |"F#m" A4 agfe |"D" fg"A"ae"Bm" d2"A"c2 |"E"{c} B4"A" A2A2 | 
"D" B2cd"E" c2B2 |"F#m" A4 agfe |"D" fgab"E" a2g2 |"A" !fermata!a4 :|"A" c2c2 |"E" B2B2 e2"F#m"fe | 
"B" ^d2B2"E" g2ag |"F7" f2e2"B" ^defd |"B" B4"E" e2ge |"B" ^d2cB"E" e2ge |"B" ^d2cB"A" c^d"E"eB | 
"A" c^deA"B" G2F2 |"E" E4"_d.C." |]:[K:Amin]"^Mineur""Am" c2d2 |"C" e4"Dm" f2ed | 
"C" e4"Am"{f} e2dc |"D" B2"B7"A2"E" ^GABG |"E" E4"Am" c2"G"d2 |"C" e4"Dm" f2ed | 
"C" e4"Am"{f} e2dc |"Dm" B2A2"E7" B2^G2 |"Am" !fermata!A4 :|"C" c2e2 |"G" g4"F" fedc | 
"G" B2G2"C" cdef |"C" gabc'"G" e2d2 |"C" c4 c2e2 |"G" g4"F" fedc |"G" B2G2"C" cc'ba | 
"F" fedc"G" G2B2 |"C" c4"_d.C." |]  