“They’re a lot tighter and smoother. You can hear more guitar, and these are far superior to all the other versions of these tracks”: Never-before-heard Jimi Hendrix demos are up for auction – and expected to sell for $260,000

Jimi Hendrix.

A treasure trove of Jimi Hendrix material has recently been unearthed from an unlikely source – the PA to Hendrix's former manager.

Patricia “Trixie” Sullivan worked as the personal assistant to Mike Jeffery, the English music manager known for managing The Animals in the '60s, and from 1966 to 1973 and his controversial management of Jimi Hendrix alongside Animals bassist Chas Chandler.