Her existence first came to light last year, and she claimed that she kept a close relationship with the singer until his death in 1991
The song was recorded during the sessions for 1974's 'Queen II' and is now being released for the first time
“I’m very taken with the idea that we can be the original Queen again”
The woman, referred to only as 'B', makes the claims in a new biography of the Queen singer, out in September
The album will be up for silent auction at the annual Freddie Mercury Birthday Party to raise money for HIV/AIDS Awareness
The book alleges that the late Queen frontman kept a close relationship with the child until his death in 1991
He also worked with Ozzy Osbourne, The Rolling Stones, David Bowie and more in various capacities
Seemingly poking fun at the crowd for their lacklustre response to the guitarist at the first weekend, Boone was joined by a life-size guitar wielding cutout of the musician for 'Bohemian Rhapsody'
Despite reports of a disappointing crowd reaction, May later took to Instagram to say being a part of the show left him "awestruck"
The Queen legend also played on Boone’s own hit, ‘Beautiful Things’