"The American singer and songwriter Keb Mo, performing live at the Blue Balls Festival, Lucerne, Switzerland, Europe"

Lianne La Havas, young British soul singer, live at the Blue Balls Festival in Lucerne, Switzerland, Europe

"Michael Kiwanuka, British singer and songwriter, live at the Blue Balls Festival, KKL concert hall, Luzern, Canton of Lucerne, Switzerland, Europe"

"Ane Brun, Swedish singer-songwriter live at the Blue Balls Festival, KKL venue, Luzern, Canton of Lucerne, Switzerland, Europe"

"The British singer and songwriter James Morrison live at the Blue Balls Festival, Luzerner Saal, KKL venue, Luzern, Canton of Lucerne, Switzerland, Europe"

"The British singer and songwriter James Morrison live at the Blue Balls Festival, Luzerner Saal, KKL venue, Luzern, Canton of Lucerne, Switzerland, Europe"

"Ane Brun, Swedish singer-songwriter live at the Blue Balls Festival, KKL venue, Luzern, Canton of Lucerne, Switzerland, Europe"

"Peter Doherty, British singer and songwriter live at the Blue Balls Festival in the KKL concert hall, Luzern, Canton of Lucerne, Switzerland, Europe"

"The British singer and songwriter James Morrison live at the Blue Balls Festival, Luzerner Saal, KKL venue, Luzern, Canton of Lucerne, Switzerland, Europe"

"British singer and songwriter Alex Clare, performing live at the Blue Balls Festival, Luzerner Saal KKL concert hall, Luzern, Canton of Lucerne, Switzerland, Europe"

"The British folk singer Charlene Soraia playing live outside the KKL Plaza at the Blue Balls Festival, Lucerne, Switzerland, Europe"

"Jennah Bell, American singer-songwriter live at the Blue Balls Festival, Pavillon am See, Luzern, Canton of Lucerne, Switzerland, Europe"

The British singer and songwriter Frances live at the Blue Balls Festival Lucerne, Switzerland, Europe