The fact that T Rex's London gig at The Rainbow was exactly 5 years to the day that T Rex had played 2 incredibly successful concerts to 20,000 fans at Wembley Pool (now named Wembley Arena) could not have gone unnoticed by Bolan.

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Back in 1972 the front page of the NME proclaimed it to be 'Bolan's Triumph' and featured a double page centre spread proclaiming '20,0000 screamers and the day that pop came back' (one of many unforgettable headlines that Bolan had at the time). Although this lacked the scale of the Wembley concerts of '72, it was still a 'triumph' of a sorts and seen by fans and the media alike as a vast improvement on the previous year's concert at the Lyceum in London.

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There is a good quality 'soundboard' recording of this gig which was used for the bulk of the songs on the 'Live 1977' CD released by Edsel in 1997 (and subsequently repackaged and reissued in 2007). However, the original soundboard recording does not have the last three songs from the Rainbow set, so the final three songs on the CD have been taken from T Rex's last ever UK concert at Portsmouth Locarno.

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There was an after show party with a number of guests and celebrities with perhaps the most notable attendee being, former member of Tyrannosaurus Rex, Steve Took.

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The Rainbow was a leading music venue of the 1970's but sadly closed in 1981. It is currently a 'Universal Church of the Kingdom of God'.