; from http://www.csounds.com/tootsother/vercoetut/Vercoe.html

sr = 44100		; audio sampling rate, 44.1 kHz
kr = 4410		; control rate, 4410 Hz
ksmps = 10		; number of samples in control period (sr / kr)
nchnls = 1		; number of channels of audio output

instr 1
	ioct	=		octpch(p5)
	kamp	line	0, p3, 10000			; amplitude emvelope
	kvib	oscil	1/120, cpspch(p5)/50, 1
	asig	oscil	kamp, cpsoct(ioct + kvib), 1	; audio oscillator
	out		asig							; send signal to channel 1
endin