close all clear all clc fs = 2000; Ts = 1/fs; fi = [262;294;330;349;392;440;494;523]; f2 = [262;262;262;294;330;294;262]; G=[]; for i = 1:7 for t = i-1:Ts:i note = sin(2*pi*fi(i,1)*t); G=[G;note]; end end sound(G,fs)