"British singer and songwriter Sivu, live with band 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

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

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

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

"Swiss singer and musician Anna Aaron playing live at the Blue Balls Festival, pavilion at the lake, in Lucerne, Switzerland, Europe"

"Swiss singer and musician Anna Aaron playing live at the Blue Balls Festival, pavilion at the lake, in Lucerne, Switzerland, Europe"

"The Dutch pop and jazz singer Caro Emerald performing live at the Blue Balls Festival, Lucerne, Switzerland, Europe"

The British musician Laurel live at the 25th Blue Balls Festival in Lucerne, Switzerland, Europe

"Wally Warning of the Dutch-German duo Amiwa performing live at the Blue Balls Festival, Plaza KKL, Luzern, Canton of Lucerne, Switzerland, Europe"

"Tino Oac, singer of the German band """"Sohne Mannheims"""" with front row fans, performing live at the Blue Balls Festival, Lucerne, Switzerland, Europe"

"The British singer songwriter Jon Kenzie playing live outside KKL Plaza at the Blue Balls Festival, Lucerne, Switzerland, Europe"

The German musician Gregor Meyle live at the 25th Blue Balls Festival in Lucerne, Switzerland, Europe