Mid_A = 440;
Mid_C = Mid_A*3/5;
Mid_E = Mid_C*5/4;
Mid_G = Mid_C*3/2;
Low_C = Mid_C/2;
Low_G = Low_C*3/2;
Low_E = Low_C*5/4;
Low_A = Low_C*5/3;
Low_B = Low_C*15/8;
Low_A_Sharp = 233.08;
del = 0.00003;
half_note = 0:del:1;
quarter_note = 0:del:0.5;
quarter_note_dot = 0:del:0.75;
eighth_note = 0:del:0.25;
eighth_E_Mid = sin(2*pi*Mid_E*eighth_note);
quarter_E_Mid = sin(2*pi*Mid_E*quarter_note);
quarter_dot_E_Low = sin(2*pi*Low_E*quarter_note_dot);
eighth_C_Mid = sin(2*pi*Mid_C*eighth_note);
quarter_dot_C_Mid = sin(2*pi*Mid_C*quarter_note_dot);
half_G_Mid = sin(2*pi*Mid_G*half_note);
quarter_dot_G_Low = sin(2*pi*Low_G*quarter_note_dot);
half_G_Low = sin(2*pi*Low_G*half_note);
quarter_A_Low = sin(2*pi*Low_A*quarter_note);
quarter_B_Low = sin(2*pi*Low_B*quarter_note);
eighth_A_Low_Sharp = sin(2*pi*Low_A_Sharp*eighth_note);
song = [eighth_E_Mid ...
quarter_E_Mid ...
quarter_E_Mid ...
eighth_C_Mid ...
quarter_E_Mid ...
half_G_Mid ...
half_G_Low ...
quarter_dot_C_Mid ...
quarter_dot_G_Low ...
quarter_dot_E_Low ...
quarter_A_Low ...
quarter_B_Low ...
eighth_A_Low_Sharp ...
quarter_A_Low];
sound(song, 1/del);
