Groban's holiday tunes are available wherever you stream music. RELATED: Kelly Clarkson's Chilling Phantom of the Opera Duet with Josh Groban Is a Must-See After he performed it in concert ...

It feels as if Josh Groban should ... Joining Groban are pals The War and Treaty – with whom he has a new duet – James Bay, Jennifer Hudson and Tori Kelly. In addition to his upcoming Vegas ...