In this April 27, 2014 file photo, Eric Clapton performs at the 2014 New Orleans Jazz Heritage Festival at Fair Grounds Race Course in New Orleans. Clapton is sharing his grief over Prince's death, calling him “a true genius.” In a Facebook post Saturday, April 23, 2016, Clapton also tells how the artist inspired him to write the song "Holy Mother." — FILE (Photo by John Davisson/Invision/AP)
In this March 25, 2012, file photo, saxophonist Bobby Keys signs a copy of his autobiography, “Every Night’s a Saturday Night: The Rock 'n' Roll Life of Legendary Sax Man Bobby Keys,” for Jo Claire Swayze, right, in Greenwood, Miss. Keys, who performed on recordings with John Lennon and Eric Clapton, has died at his home in Franklin, Tenn. He was 70 years old. (AP Photo/The Greenwood Commonwealth, Andy Lo)
FILE - In this Feb. 18, 2010 file photo, Eric Clapton performs in concert at Madison Square Garden in New York. Clapton is paying tribute to his late friend and collaborator J.J. Cale with a new album. Tom Petty, Willie Nelson, John Mayer and others lend a hand on "The Breeze: An Appreciation of J.J. Cale," due out July 29. The album includes 16 Cale songs reimagined by Clapton and the all-star group of friends. Cale, architect of the Tulsa Sound and a widely influential figure in rock 'n' roll history, died last year at 74. (AP Photo/Evan Agostini)
FILE - In this July 13, 1985 file photo, Eric Clapton performs at the Live Aid concert in Philadelphia. The Fender Stratocaster, used by countless professional and amateur musicians, celebrates its 60th anniversary in 2014. (AP Photo/George Widman)
Eric Clapton (on album cover right) and Michael Buble (left) record for Warner Music Group Corp., which is being sold to Access Industries, owned by Lee Blavatnik, for $1.3 billion. Mr. Blavatnik had about a 2 percent stake in Warner already.
FILE - In this June 26, 2010 file photo, Eric Clapton performs during the Crossroads Guitar Festival in Chicago. Eric Clapton is parting with dozens of guitars and amps at a New York City auction to benefit an alcohol and drug treatment center he founded in Antigua. New York-Bonhams will offer the 70 guitars and 70 amps next Wednesday, March 9, 2011. (AP Photo/Kiichiro Sato, File)