On TV: Blake Lewis, Maroon 5, KT Tunstall, Kate Nash

Pop acts on television this week include:

Maroon 5, who perform on ‘The Late Show with David Letterman’ on Monday and ‘Total Request Live’ and ‘The View’ on Wednesday.

KT Tunstall, who performs on ‘Live with Regis and Kelly’ on Tuesday.

Kate Nash, who performs on ‘The Late Late Show with Craig Ferguson’ on Tuesday.

‘American Idol’ season six runner-up Blake Lewis, who performs on ‘The View’ on Tuesday and ‘The Late Late Show’ on Wednesday.

And ‘American Idol’ kicks off with a two night, four hour season premiere on Tuesday and Wednesday.