Never-before-heard tapes from Jimi Hendrix will be sold at auction next month – 54 years after the rock star’s death.

The 1968 demos are understood to be versions of Up From The Skies, Ain’t No Telling, Little Miss Lover and Stone Free, and run for around seven minutes.

Each one is expected to make hundreds of thousands of pounds.

Entertainment auctioneer Propstore says the sale will give fans the chance to listen…