Justin Bieber sued over riff in smash hit 'Sorry'

Canadian pop star Justin Bieber and the co-writers of his 2015 smash hit "Sorry" are being sued for allegedly stealing a vocal riff from another artist who said she used it on her own song a year earlier. In a complaint made public on Thursday, Casey Dienel, an indie artist who performs under the name White Hinterland, accused Bieber of infringing her copyright to the song "Ring the Bell" by using a "virtually identical" riff without permission. Among the other defendants are the producer Skrill