Lyrics This Is a Test - Armin van Buuren

ladies and gentlemen
we are experiecing technical difficulties
warning this is a total blackout
please stand by as we are currently testing our systems
testing lightingequipment
LED screens
testing blinders
testing lasers
testing 3D video
okay
we are about to do a full frequency sweep
20 hertz
50 hertz
200 hertz
440 hertz
1kilohertz
2kilohertz
5kilohertz
10 kilohertz
okay
subwoofer kick test
balance check
left channel the sound should now be in the left speaker
right channel the sound should now be in the right speaker
left channel
right channel
left channel