<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out   Audio in   No messages  MIDI in
-odac           -iadc     -d         -M0  ;;;RT audio I/O with MIDI in
</CsOptions>
<CsInstruments>

; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1

; Instrument #1.
instr 1

kcontroller	init	0
midicontrolchange 7, kcontroller		; = volume
; Display the key value when it changes and key is pressed
 printk2 kcontroller
endin

</CsInstruments>
<CsScore>

; Play Instrument #1 for ten seconds.
i 1 0 10
e

</CsScore>
</CsoundSynthesizer>