Hi!
I suspect that Rosegarden could be a choice for you:
http://www.rosegardenmusic.com/
It is a Cubase -like system. However you might be interested in my question regarding configuring/installing/using Rosegarden on Fedora Core 2
http://www.linuxquestions.org/questi...hreadid=261015
If you are running a 32bit system and want an easy to install sound/video editing system on RedHat I would suggest installing Fedora Core 1 and Planet CCRMA
http://ccrma.stanford.edu/planetccrma/software/
Best Regards:
Exitium