The Wireless Festival is a music festival in England that takes place every year in Hyde Park, London, and took place at Harewood House, Leeds in 2006 and 2007. It is owned and managed by Live Nation.

From its inception in 2005 until 2008, the festival was sponsored by telecommunications company O₂, and was called the O₂ Wireless Festival. Since 2009 the main sponsor has been Barclaycard and the festival renamed to Barclaycard Wireless Festival.

The first festival took place in June 2005 and was in Hyde Park only. Tickets were £35 per day. Some of the acts on the line-up were (headline acts in bold):

In 2006, the festival played in both Hyde Park and Harewood House. Tickets were £37.50 per day.

The Hyde Park festival ran from 21–25 June and on the bill were:

The Harewood House festival ran from 24–25 June and tickets were £32.50 for the first day and £37.50 for the second. It featured:

Tickets for both venues went on sale on 16 March 2007 and the festival took place between 14–17 June in Hyde Park, and 15–17 June at Harewood House. Tickets were £40 for one day, £75 for two, £105 for three or £135 for four days.

Shawn Corey Carter (born December 4, 1969), better known by his stage name Jay-Z, is an American rapper, songwriter, record producer, entrepreneur, and occasional actor. He is one of the most financially successful hip hop artists and entrepreneurs in America, having a net worth of over $450 million as of 2011.He has sold approximately 50 million albums worldwide, while receiving fourteen Grammy Awards for his musical work, and numerous additional nominations. He is consistently ranked as one of the greatest rappers of all-time. He was ranked #1 by MTV in their list of The Greatest MCs of All-Time in 2006. Two of his albums, Reasonable Doubt (1996) and The Blueprint (2001) are considered landmarks in the genre with both of them being ranked in Rolling Stone magazine's list of the 500 greatest albums of all time. Blender included the former on their 500 CDs You Must Own Before You Die.

Jay-Z co-owns the 40/40 Club, is part-owner of the NBA's Brooklyn Nets and is also the creator of the line Rocawear. He is the former CEO of Def Jam Recordings, one of the three founders of Roc-A-Fella Records, and the founder of Roc Nation. As an artist, he holds the record for most number one albums by a solo artist on the Billboard 200 with eleven. Jay-Z also has had four number ones on the Billboard Hot 100, one as lead artist.

Onika Tanya Maraj (born December 8, 1982), known by her stage name Nicki Minaj ( /mɪˈnɑːʒ/), is a Trinidadian-born American rapper and singer-songwriter. She was born in Saint James, Trinidad and Tobago and when she was 5 years of age she moved to the New York City borough of Queens, where she grew up.

After releasing three mixtapes between 2007 and 2009 and being signed to Young Money Entertainment in August 2009, Minaj released her debut album, Pink Friday, in November 2010. It quickly became a commercial success, peaking at number one on the U.S. Billboard 200 and being certified Platinum by the Recording Industry Association of America (RIAA) a month after its release. She became the first female solo artist to have seven singles on the Billboard Hot 100 at the same time. Her second single, "Your Love", reached number 1 on the Billboard Hot Rap Songs chart, making Minaj the first female artist to top the chart unaccompanied since 2002. She also became the first female artist to be included on MTV's Annual Hottest MC List. Minaj was named the 2011 Rising Star by Billboard. Her second studio album, Pink Friday: Roman Reloaded was released on April 3, 2012.

Justin Randall Timberlake (born January 31, 1981) is an American singer, actor, and businessman. He achieved early fame when he appeared as a contestant on Star Search, and went on to star in the Disney Channel television series The New Mickey Mouse Club, where he met future bandmate JC Chasez. Timberlake became famous in the late 1990s as the lead singer and youngest member of the boy band 'N Sync, whose launch was financed by Lou Pearlman.

In 2002, he released his debut solo album, Justified, which sold more than seven million copies worldwide. The album was a commercial success, spawning the hits "Cry Me a River" and "Rock Your Body". Timberlake continued his success with his second solo album, FutureSex/LoveSounds (2006), debuting at number one on the Billboard 200 chart, and produced the US number-one hit singles "SexyBack", "My Love", and "What Goes Around... Comes Around".

Timberlake has won six Grammy Awards and four Emmy Awards. His first two albums made him one of the most commercially successful singers in the world, each selling in excess of 7 million copies. He also has an acting career, having starred in films such as The Social Network, Bad Teacher and Friends with Benefits. His other ventures include record label Tennman Records, fashion label William Rast, and the restaurants Destino and Southern Hospitality.

Rita Sahatçiu Ora (born 26 November 1990), better known as Rita Ora, is a British singer-songwriter and actress. In 2009, she appeared on the BBC's Eurovision: Your Country Needs You where she auditioned to be the British contestant for the Eurovision Song Contest 2009. Later in 2009, she signed to Roc Nation. Ora is of Kosovar Albanian ethnicity.

In 2012, Ora provided the vocals for DJ Fresh’s "Hot Right Now", which has been the fastest selling single in the UK of 2012. Ora's debut single, "R.I.P", topped the UK Singles Chart in May 2012. Ora will spend the summer 2012 opening concerts for Coldplay.

Rita Ora was born in Pristina, SFR Yugoslavia (now Kosovo) and moved to the United Kingdom the same year of her birth. She grew up in West London and attended St Cuthbert with St Matthias CE Primary School in Earls Court, following which she graduated from Sylvia Young Theatre School and then St Charles Catholic Sixth Form College. She began singing from a young age. In 2004, she appeared in the British film Spivs. She auditioned for Eurovision: Your Country Needs You on BBC One to be the British contestant for the 2009 Eurovision Song Contest but later withdrew from the competition after a few episodes as she did not feel ready.