Unreleased studio mixes of Led Zeppelin's 1975 album 'Physical Graffiti' are set to go up for auction in March.
Demo recordings of classic songs such as 'Kashmir', 'Custard Pie' and 'In the Light' will go up for sale at the Marvels of Modern Music event, which will be held by bosses at RR Auctions in New Hampshire, Contactmusic reported.
Bidding for the recordings start at 300 dollars.
Other items also featured in the auction include unfinished versions of Bad Company's self titled debut album, songs from Eric Clapton's Rainbow Concert, a master copy of Elton John's 'Pinball Wizard' from the movie 'Tommy', a signed copy of the Beatles' 'Twist and Shout' Ep, and the cape from Elvis Presley 1973's Tv special Aloha From Hawaii.
