Quarz Composer question - audio& visual

[tamar]

heya all,
I did a tryout with QC that a video is affected by the sound, which is very easy and there is a tutorial about it, http://www.vimeo.com/416956/
I have a question for QC users, I want one video to be moving to the sound of the drum and bass, another will be moving to the sound of a violin for example, that probably means that I will need to put on a patch which gives limitation to the sound frequency, but I do not know how to do it, so if you have any idea, I would love to hear it.
cheers
tamar


here is my tryout, enjoy

http://youtube.com/profile?user=LightRider2008