iTunes’ top 5 selling singles and albums of the week

iTunes’ top 5 selling singles and albums of the week ending March 14:

Singles:

• “On the Floor (feat. Pitbull)”: Jennifer Lopez

• “E.T. (feat. Kanye West)”: Katy Perry

• “Born This Way”: Lady GaGa

• “Till the World Ends”: Britney Spears

• “S&M”: Rihanna

Albums:

• “Lasers”: Lupe Fiasco

• “21”: Adele

• “Goodbye Lullaby”: Avril Lavigne

• “Glee: The Music, Vol. 5”: Glee Cast

• “Sigh No More”: Mumford & Sons

“MR. SUNSHINE” (9:31 p.m., ABC): Singer James Taylor makes a guest appearance on “Mr. Sunshine.” He plays an ex-husband of Crystal’s (Allison Janney), who’s seeking closure to a relationship that undoubtedly featured its share of fire and rain.