My advice is to try Studio 7.0 by Pinnacle; I use this program to edit my videos and it works great (I could even record an audio track with my keyboard or paste a wave file from a CD...whatever). And it's rather inexpensive too. Here is the link:
http://www.pinnaclesys.de
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Korg Kronos 61 and PA3X-Pro76, Roland G-70, BK7-m and Integra 7, Casio PX-5S, Fender Stratocaster with Fralin pickups, Fender Stratocaster with Kinman pickups, vintage Gibson SG standard.