The rock legends' 22-minute set at the 1985 charity concert has gone on to be one of the most celebrated live performances in history.
The couple have been married since 2000.
The song is available on Friday.
The Queen star suffered a heart attack earlier this year.
Brian May has criticised the government for cutting funding for public services in aftermath of a forest fire which forced him to evacuate his home
The rock band are set to feature on a new collection from the Royal Mail as 2020 marks their 50th anniversary.
Queen guitarist Brian May has struggled with his mobility after damaging muscles while gardening last month.
The Queen star said the pain is 'relentless'.
Guitarist lays blame at NHS underfunding over 'many years' adding 'this is the price we pay'
Queen star said: 'I haven’t wanted to show my face because my face was grim'
Brian May says the prime minister Theresa May should be “panicking” following the surprise result of last week’s snap general election, which turned out to be a bit of a disaster for the Conservative party. Celebrities from the music world flocked to support opposition leader Jeremy Corbyn after he was interviewed by grime artist Jme, and the rapper launched the campaign #Grime4Corbyn. Jeremy was also invited to join indie rockers The Libertines on stage, and gave a moving political speech.
Brian May and Roger Taylor from legendary band Queen have denied claims that their iconic song, ‘Bohemian Rhapsody’, was their late bandmate, Freddie Mercury’s, ‘coming out’ track. Biographer, Lesley Ann-Jones, had previously claimed that the hugely popular rock-opera anthem was the frontman’s way of admitting that he is gay, but as the band gear up to celebrate the 40th anniversary of their 1975 anthem, they’ve strongly denied the claims. Speaking to the BBC, Brian May responded: “What’s it about?