secular

It sometimes feels like church in the auditorium of the Professional Musicians union in Hollywood. It's a Sunday morning, and hundreds of people are gathered to meditate, sing and listen to inspirational poetry and stories.

But then the live band starts up — performing songs by the Beatles, the Rolling Stones and Jerry Lee Lewis. And instead of a sermon, there's a lecture by experimental psychologist and neuroscientist Jessica Cail about the biology of gender identification and sexual orientation.