On TV: Clay Aiken, Maroon 5, John Mayer

Pop acts on television this week include ‘American Idol’ season two runner-up Clay Aiken, who performs on ‘The Tonight Show with Jay Leno’ on Monday, ‘Today’ on Wednesday, and ‘The View’ on Thursday; ‘Idol’ season one champ Kelly Clarkson, who appears on ‘Daily Download’ on Tuesday and ‘The Tony Danza Show’ on Wednesday; Maroon 5, who perform on ‘The Tonight Show’ on Tuesday; John Mayer, who performs on ‘Jimmy Kimmel Live’ on Tuesday; ‘Idol’ season three runner-up Diana DeGarmo, who performs on ‘The Early Show’ on Tuesday and ‘Live with Regis and Kelly’ on Wednesday; Lindsay Lohan, who appears on ‘Total Request Live’ on Tuesday and ‘Live with Regis and Kelly’ on Thursday; and No Doubt singer Gwen Stefani, who visits ‘TRL’ on Friday.