On TV: Clay Aiken, Kimberley Locke, Nellie McKay

Pop acts on television this week include ‘American Idol’ season two runner-up Clay Aiken, who performs on ‘The Tyra Banks Show’ on Monday and ‘The Megan Mullally Show’ on Friday; ‘Idol’ season two finalist Kimberley Locke, who visits ‘The Megan Mullally Show’ on Friday; and Nellie McKay, who performs on ‘Late Night with Conan O’Brien’ on Friday.