On TV: Marion Raven, Nelly Furtado, Clay Aiken

Pop acts on television this week include Barry Manilow, who performs on ‘The Ellen DeGeneres Show’ and ‘The Colbert Report’ on Monday and ‘The View’ and ‘The Late Late Show with Craig Ferguson’ on Friday; Cat Power, who performs on ‘Late Night with Conan O’Brien’ on Monday; Olivia Newton John, who performs on ‘The Early Show’ on Monday; former M2M star Marion Raven, who performs with Meat Loaf on ‘Jimmy Kimmel Live’ on Tuesday and ‘The Megan Mullally Show’ on Wednesday; Regina Spektor, who performs on ‘The Tonight Show with Jay Leno’ on Wednesday; Nelly Furtado, who visits ‘The Tyra Banks Show’ on Wednesday; The Wreckers, who perform on ‘Jimmy Kimmel Live’ on Wednesday; Madonna, who visits ‘Live with Regis and Kelly’ on Wednesday and is interviewed by Meredith Vieira for ‘Today’ on Wednesday and Thursday – and ‘Dateline’ on Thursday; ‘American Idol’ season two runner-up Clay Aiken, who visits ‘The Megan Mullally Show’ on Thursday; and Jewel, who performs on ‘Last Call with Carson Daly’ on Thursday.