30 years ago today on July 13, 1985, two massive pop concerts changed the world.

Bob Geldof had assembled the biggest talents in music for huge gigs at London's Wembley Stadium and Philadelphia's JFK Stadium, all with the aim to end poverty in Ethiopia.

A tremendous amount of money was raised, but also a musical legacy was created. We take a look back at our 10 most favourite performances from the day that rocked the planet.

10. Hall & Oates: 'Out Of Touch'
By 1985, Hall & Oates were bigger than Daryl Hall's hair (eg absolutely massive), and 15 years into their career at the time, returning to Philadelphia for the US Live Aid show was a homecoming.

But as well as performing some of their more classic numbers, the duo shone brightest with their latest global hit 'Out Of Touch', which would go on to become one of their most famous.

9. Phil Collins: 'Against All Odds'
At the time this was a big departure for Phil Collins' style after his global success with Genesis. 'Against All Odds' was his first proper foray into mainstream pop and here Collins delivered a rousing rendition of the track to 72,000 people at Wembley.

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Naturally it would go on to become one of his trademark hits, and marked the start of his newfound knack for a soaring power ballad.

8. U2: 'Bad'
Although the Irish band were already gaining a solid reputation as a touring band in 1985, U2's notoriety would skyrocket after their intense performance at Live Aid. The group delivered an extended 11-minute rendition of their track 'Bad' for the 1.9 billion television audience, meaning that they had to ditch the third song in their set that day.

7. Paul McCartney: 'Let It Be'
Just as technological mishaps can happen on live TV now, back in 1985 - and on this day in particular - there were any number of blunders. The most memorable was during Paul McCartney's performance of 'Let It Be' when his microphone didn't work leaving thousands in the stadium baffled.

Techies were quick to fix the problem, though, and after a few minutes Macca's voice rang out into the Wembley sky. To show their support, Bob Geldof, Pete Townsend, Alison Moyet and David Bowie came out on stage to sing along with the Beatle for the final chorus.

6. Led Zeppelin: 'Whole Lotta Love'
Over in Philadelphia, Led Zeppelin gave a storming rendition of their golden anthem 'Whole Lotta Love' in front of 100,000 Americans. Overall, the Stateside concert felt a whole lot heavier than its British counterpart, and the Led guys helped ramp things up to full voltage with their electrifying guitar solos.

5. David Bowie: 'Heroes'
David Bowie dedicated this track to his son, the crowd's children and every child in the world who needs hope, promoting the Live Aid ethos that every youngster deserves a bright future.

Suited up, the iconic star belted out his inspiring anthem 'Heroes' to thousands in the stadium and millions at home, with Thomas Dolby giving a spectacular run on the keys. David was so enamoured by the concert that he said during a backstage interview that "[Live Aid] has to be an annual event".

4. Elton John & George Michael: 'Don't Let The Sun Go Down On Me'
While Elton was an established icon by this point, although George was firmly pop's heartthrob, he was just on the cusp of even bigger greatness. Here though, they soar as equals, the Wham! star pouring his heart and soul into Elton's 1974 hit - and it truly marked the start of something special. Even six years later in 1991, the audience were crazy about the duet when an official release hit No.1 in both the UK and US.

3. Madonna: 'Into The Groove'
In Philadelphia, Bette Midler introduces Madonna as "the name that's been on everyone's lips for the past six months". The popstar was still relatively new, but this performance of 'Into The Groove' with its funk-up arrangement and effortlessly cool tambourine taps showed all the indications of a superstar in the making. 30 years on and Madonna's name is still very much on everyone's lips.

2. Mick Jagger and Tina Turner: 'State of Shock' / 'It's Only Rock 'n Roll'
What do you get when you unite the King and Queen of rock 'n roll? One of the most astonishing live performances ever. When Mick Jagger invites Tina Turner on stage you know you're in for a good one, but the chemistry and gravelly delivery between the two was bewitching.

Mick gets topless and changes his shirt, Tina's hair is more wild than ever, and their distinctive dance moves sync up sublimely. Mick even gets so frisky he rips Tina's skirt off. What a performance.

1. Queen
It's the performance that defined Live Aid. 30 years on and Freddie Mercury's performance remains a 24-minute tour de force in showmanship that makes you mourn his tragic and all-too premature death all over again.

Of course, Queen were already household names by this point so no-one was expecting a wonky showing, but the music history books record that this was the day Queen stepped up to prove their legacy. They captured the world's attention and many will agree that it helped them sell out their own Wembley Stadium show - yes, that iconic one - just 12 months later. We can't pick out a favourite part, so here's the whole glorious set.

What are your favourite performances from Live Aid 1985? Leave your comments in the box below.