LOS ANGELES, CA – AUGUST 27: Singer Peter Moren of the band Peter Bjorn and John performs onstage during FYF Festival at Los Angeles Sports Arena on August 27, 2016 in Los Angeles, California. (Photo by Scott Dudelson/WireImage)
LOS ANGELES – CIRCA 1967: The Stone Poneys (L-R) Bobby Kimmel, Linda Ronstadt and Kenny Edwards pose for a portrait circa 1967 in Los Angeles, California. (Photo by Michael Ochs Archives/Getty Images)
SAN FRANCISCO, CA – APRIL, 1970: Leslie West and Felix Pappalardi of the music group Mountain perform in April, 1970 in San Francisco, California. (Photo by Robert Altman/Michael Ochs Archives/Getty Images)
LONDON, ENGLAND – NOVEMBER 25: Elly Jackson of La Roux performs on stage at Shepherds Bush Empire on November 25, 2009 in London, England. (Photo by Andy Sheppard/Redferns)
J.R. Richards of Dishwalla performing at the Key Club celebrating their 10th Anniversary and release of their new cd "Greetings…From the Flow State" with an exclusive live show. (Photo by Barry King/WireImage)
Alvin Lee (1944 – 2013, right), frontman of British blues rock band Ten Years After performs with bassist Leo Lyons (left) at the Fillmore East in the East Village, New York City, USA, 26th February 1970. (Photo by Archive Photos/Getty Images)
