Question: The song "Glad You Came" premiered on the radio in what year?
About the article "Glad You Came", section "Background".

Candidate passages:
The music video for "Lightning" was director by Director X, the same director who produced the video for "Glad You Came".
The video was filmed in LA, and premiered on 22 September 2011, via The Wanted's YouTube channel.
The video features the members of the band performing during a rave, in a similar fashion to their "Glad You Came" video.
The video is set at night, and also features many explosions and kissing scenes. 
The song was written and produced by Steve Mac.
It serves as the second single from The Wanted's second album, "Battleground" which was released on 7 November 2011.
Band member Tom Parker said of the song, "We all felt it was a new, refreshing sound and a perfect song for the summer which really gets you in the mood for a party."
The song premiered on the radio on 24 May 2011.
The song was also remixed by Alex Gaudino.
The American television series "Glee" covered the track in the episode "On My Way", which was aired during the third season.
It was performed at the Regionals competition between New Directions and the Dalton Academy Warblers.
Sebastian (Grant Gustin) leads the performance.
Of the six singles released for the episode, five debuted on US and Canadian top 100 charts.
The mash-up of "Fly" and "I Believe I Can Fly" was the highest debut in the US at number fifty-six on the "Billboard" Hot 100, followed by "Cough Syrup" at number sixty-five, "What Doesn't Kill You (Stronger)" at number sixty-six, "Here's to Us" at number seventy-three and "Glad You Came" at number ninety.
The chart order was different on the "Billboard" Canadian Hot 100, where "(What Doesn't Kill You) Stronger" had the highest debut at number fifty-one, "Fly / I Believe I Can Fly" debuted at number fifty-nine, "Here's to Us" at number sixty-four, "Cough Syrup" at number sixty-seven and "Glad You Came" at number seventy-four.
The singles also had an effect on the charting of the original versions of three of the songs.
Kelly Clarkson's "Stronger (What Doesn't Kill You)" moved back into first place from fourth on the "Billboard" Hot 100, and from fourth to third, equalling its previous best showing, on the Canadian Hot 100.
It was beaten there by The Wanted's "Glad You Came", which was that chart's "greatest gainer", and moved from number twenty-six to number two, its highest position on the Canadian chart to date.
"Glad You Came" also made a big jump in the US, and went from number eighteen to number five.
"Cough Syrup" by Young the Giant debuted on both charts, at number ninety-five in the US and number eighty-two in Canada, and was the first time the group had been on the "Billboard" Hot 100, though the song had previously "bubbled under" the chart at number 117. 
"Now That's What I Call Music!
79 or Now!
79" is a double-disc compilation album that was released in the United Kingdom on 25 July 2011.
It is the 79th edition of the UK "Now!"
series and is available on CD and downloadable formats.
"Now 79" features ten songs which reached number one on the UK Singles Chart: "Someone Like You", "The Lazy Song", "Don't Wanna Go Home", "On the Floor", "Glad You Came", "Don't Hold Your Breath", "Give Me Everything", "Party Rock Anthem", "Louder" and "Changed the Way You Kiss Me".
The version of Jennifer Lopez's song "On the Floor" is the solo edit, instead of the version featuring Pitbull that reached number one. 
 The song has also been used in promotion of the film "ATL", in which T.I.
stars.
The song was a major smash during the spring of 2006.
Japanese professional wrestler KENTA uses an instrumental of "What You Know" as his entrance theme.
The song is played at Target Field whenever All-Star Joe Mauer comes to bat.
Mauer has won three batting titles and an 2009 MVP Award while having "What You Know" as his music.
The year he changed the song, 2007, he failed to win a batting title and switched back in 2008 to "What You Know" and has won back-to-back titles since.
The song was used as the entrance song for Kendall Grove at UFC 101.
The song was used at Turner Field whenever Edgar Rentería came up to bat during the 2006 season.
The song is used at the beginning of Rich Turpin's "Whatcha Know?"
segment on BT Sports Radio.