The top-5-selling singles and albums of the week on iTunes

The top-5-selling singles and albums of the week on iTunes, ending April 4:

Singles:

• “Just Can’t Get Enough”: Black Eyed Peas

• “E.T. [feat. Kanye West]”: Katy Perry

• “S&M”: Rihanna

• “E.T.”: Katy Perry

• “No Sleep”: Wiz Khalifa

Albums:

• “Femme Fatale”: Britney Spears

• “Songs for Japan”: Various Artists

• “Rolling Papers”: Wiz Khalifa

• “21”: Adele

• “Grey’s Anatomy: The Music Event”: “Grey’s Anatomy” Cast

“BREAKING IN” (9:30 P.M., FOX): Christian Slater gets another shot at TV stardom in the new workplace comedy, “Breaking In.” He plays the boss of an offbeat firm that tests its clients’ security systems by — you guessed it — breaking into them.

“Workaholics” (10:30 P.M., COMEDY CENTRAL): “Workaholics” is a sitcom about three hard-partying college grads (Anders Holm, Adam Devine and Blake Anderson) who have jobs as telemarketers. In the opener, they bribe some kids for untainted urine so they can pass a drug test.