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:D
['AF z']  
X:1
L:1/8
M:4/4
K:D
"A7" z CDE |"D" F3 E FB"D7" AF |"G" ED"^(Em)" B,2 |1"A7" z DFG |"D" A3 B AF"^(E7)" DF |"A" E4 :|2 
"A7" z CDE |"D" F3 G FE"A7" DE |"D" D4 |]"A7" z ABc |"D" d3 c"G" cB"^(A7)" AB | 
"D" AF D2"A7" z ABc |"D" d3 c"G" cB AF |"A" E4"A7" z ABA |"D" f3 e"G" ed Bd | 
"D" AF D2"Bm" z C"G"DE |"D" FB AF"G" ED"A7" B,C |"D" D4 |]  