On TV: Katharine McPhee, Jewel, John Mayer

Pop acts on television this week include ‘American Idol’ season five runner-up Katharine McPhee, who gets felt up on ‘The Tyra Banks Show’ on Tuesday; Jewel, who visits ‘Jimmy Kimmel Live’ on Tuesday and ‘Live with Regis and Kelly’ on Thursday; and John Mayer, who performs on ‘The Late Show with David Letterman’ on Thursday.