<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
-odac    -M1 -Q1  ;;;realtime audio out and midi in and midi out
;-iadc    ;;;uncomment -iadc if realtime audio input is needed too
; For Non-realtime ouput leave only the line below:
; -o midinoteonkey.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

sr = 44100
ksmps = 32
nchnls = 2
0dbfs  = 1

instr 1	;uses external midi device

kkey init 0						;initialize key number
kvel init 0						;initialize velocity
midinoteonkey kkey, kvel				;MIDI note number value 
printk2	kkey						;display the key value when it changes and when key is pressed 
midion 1, kkey, kvel					;sent note to external device

endin
</CsInstruments>
<CsScore>
f 0 30	;runs for 30 seconds	

i 1 0 2 62	; play these notes from score as well
i 1 + 2 65
e
</CsScore>
</CsoundSynthesizer>
