Historic Los Angeles theater Royce Hall, located on the UCLA campus, provided a spectacular backdrop for Jason Mraz’s taping of Live from the Artists Den. Accompanied by the four members of LA folk-rock band Raining Jane, Mraz revisited old favorites like “I Won’t Give Up” and previewed new material – such as “Hello, You Beautiful Thing” – from his album, YES!. The focus was on the collaborations with Raining Jane, who wrote and recorded YES! with Mraz. The set was punctuated by classic Mraz hit, “I’m Yours,” which earned a full-throated singalong from the rapt 1700-person crowd.