A one-of-a-kind re-recording of Bob Dylan singing his 1963 classic “Blowin’ In The Wind” has sold at auction for £1.48million ($1.78million).

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The re-recording, which sits on a one-of-one Ionic Original format disc, has marked the first time in 60 years that Dylan has re-recorded the song that was written in 1962 and released as part of the 1963 album The Freewheelin’ Bob Dylan.

Thursday’s (July 7) live bidding at Christie’s in London topped out at £1.2million, reports Variety, but an official release sent out by the auction house cited the higher price including commissions.

The price was well over the estimate the auction house had posted for the recording, which was in the range of £600,000 ($716,000) to £1million pounds ($1.19million).

First announced in April by producer T Bone Burnett, the Ionic Original format used for the re-recorded Dylan track is “lacquer painted onto an aluminum disc, with a spiral etched into it by music. This painting, however, has the additional quality of containing that music, which can be heard by putting a stylus into the spiral and spinning it”.

Burnett has touted the new high fidelity format as “the pinnacle of recorded sound. It is archival quality. It is future-proof. It is one of one”.