I really like the bottom toolbar as a design element. It drives home the point that this is a full-featured web application. I also like that you have a narrated video.
Suggestions:
-Decrease(or remove) the outer blur/glow on the Rela Logo. It's very distracting in my peripheral vision when trying to read the rest page.
-Instead of having each box title be "Rela...", make them more descriptive so that a band manager/artist would want to read.For example, instead of "Relay" put "Track Merchandise", instead of 'Relate" put "Manage Tours", instead of "Rely" put "Track Soundscans".
-Get rid of "Relational",and "Relax".
-The video is very complicated to me. Maybe have 1 overview video where you gloss over most of the features and focus only on the critical ones... maybe using a fictional band as an example? Then have your more detailed video as a tutorial.
-Consider a beta test group(with non-techie musicians/managers) to help refine the software workflow.
Overall, I think the front-page has information overload and over-relies on the "Rela..." concept. You obviously know the market(serious musicians). If you can make the landing page less cluttered and streamline the software workflow a little, you have a good chance of having a winner.