Jennifer Lopez, Kaiser Chiefs, Lana Del Rey: the week in music - in pictures

Jennifer Lopez during her co-headlining tour with Enrique Iglesias in Newark, US on 20 July Photograph: Kevin Mazur/WireImage

Kaiser Chiefs with lead singer Ricky Wilson on the left, perform the Blue Balls festival in Lucerne, Switzerland, on 25 July Photograph: Sigi Tischler/EPA

Wizboyy performs on the Africa stage during the BT River of Music festival in London on 21 July Photograph: Hayley Madden/Getty Images

Lana Del Rey at the Spin Off festival in Adelaide, Australia, 21 July Photograph: Ben Macmahon/EPA

Antony Hegarty performs with the Et Incarnatus Orkestra at the 47th Heineken Jazzaldia festival in San Sebastian, Spain on 22 July Photograph: Rafa Rivas/AFP/Getty Images

Mötley Crüe drummer Tommy Lee performing in Raleigh, US on 22 July Photograph: Jason Moore/Corbis

Lil Wayne in Miami, Florida on 24 July Photograph: Vallery Jean/FilmMagic

Brazilian musician Carlinhos Brown leads the Carnival Parade in Cadiz, Spain on 21 July Photograph: Roman Rios/EPA

A man places a candle in Duisburg, Germany, on 23 July in commemoration of the 21 people who died at the Love Parade festival two years ago Photograph: Frank Augstein/AP

Carlinhos Brown performs on the America stage at the BT River of Music festival, in London on 22 July Photograph: Christie Goodwin/Getty Images

Justin Bieber performs at the Teen Choice awards show in Los Angeles on 22 July Photograph: PictureGroup/Rex Features

Red Hot Chili Peppers fans attend the band's concert in Moscow on 23 July Photograph: Mudrats Alexandra/Corbis

Mark Hoppus of Blink-182 performs at Brixton Academy, London on 25 July Photograph: Chiaki Nozu/WireImage

Michael Fitzpatrick of Fitz and the Tantrums at the Firefly music festival in Dover, US on 22 July Photograph: Rob Loud/Getty Images