We've asked more than 40 guests in 2013 to choose five songs for this show, and we celebrate the most frequently-picked artists with this end of the year episode.

Comedy producer, director, and screenwriter Judd Apatow is drawn to songs that are “deeply truthful” and encourage allowing your “inner self to shine”...

Julie Eizenberg's innovative approach to architecture matches that of the musicians she chose for her Guest DJ set.

Comedy legend Martin Short picks surprisingly serious songs for his Guest DJ set...

Simon Doonan made a name for himself with his outrageous window displays for Barneys...

Big Bang Theory star and LA native Simon Helberg picked a theme for his Guest set – songs for driving and crying.

Actress Judy Greer is just about everywhere, from comedic roles in Arrested Development, and Two and a Half Men to dozens of films.

Jack Black celebrates the masters of musical comedy in this week’s Guest DJ set.

Outside the hockey rink, LA Kings defenseman Matt Greene’s main passion is music discovery.

Lorenzo Pisoni takes us on his incredible journey, from traveling non-stop to getting to know the man behind the grease paint and now touring with his acclaimed one-man show, “Humor Abuse”.