Scientology in Music?

I'm a fan of music myself and I've noticed a huge amount of varying types of music coming out of Scientologists and Scientology projects.

For example on the site for the Church of Scientology Celebrity Centre there are number of artists from Kate Ceberano (home page) to Justin Meldal-Johnsen and from The Jive Aces to Beck.

Not to mention the music grounds of Scientology Founder L. Ron Hubbard, taking just as an example L.R.H.'s work Music and Theater.