Piper Event, of Howle Hill, Ross-on-Wye, and Mr Piper, 47, of Wye Street, Ross-on-Wye, were both accused of one count of contravening health and safety regulations by exposing workers to risk.

BBC: Kendal Calling electric shock: Safety firm cleared

Piper Event Services Limited, of Howle Hill, Ross-on-Wye, Herefordshire, and company director, Mr Piper, 47, of Wye Street, Ross-on-Wye, are both accused of one count of contravening health and safety regulations.

BBC: Cumbria

Past performers, who are never announced until they take the stage, have included Diana Ross, John Mellencamp, Sheryl Crow, Faith Hill, Lionel Richie, Jon Bon Jovi, Paul Simon, Stevie Wonder and Elton John.

FORBES: Sting and James Taylor Perform At Baron Funds' 20th Annual Investment Conference

Past acts have included Sting, James Taylor, Diana Ross, John Cougar Mellencamp, Sheryl Crow, Faith Hill, Lionel Richie, Paul Simon, Stevie Wonder and Elton John.

FORBES: Ron Baron's Investment Conference Features Billionaires Kevin Plank And David Rubenstein, Celine Dion And Harry Connick Jr.