sin(t*50)+sin(t*55)+sin(t*60)+sin(200*t)*sin(t*2)+ sin(100*t)*sin(t*3)

+sin(300*t)*sin(t*19)*(t>4*2*pi)*(t<8*2*pi)

+sin(350*t)*sin(t*19)*(t>12*2*pi)*(t<16*2*pi)

+sin(200*t)*sin(t*4)*(t>20*2*pi)

+sin(200*t)*sin(t*50)*(t>28*2*pi)

+sin(250*t)*sin(t*0.5)*(t>32*2*pi)

"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram