"Til I Forget About You" is a song by American pop group, Big Time Rush. It was released via iTunes on September 21, 2010, as the first single of their debut album. Before the iTunes release it started streaming this song on September 14, 2010 on the music site. The single served as the lead single of the group's album, BTR. The physical release of the single was available on September 28, 2010 as a CD Single containing as B-side the song Famous in selected US stores. The remix EP was released as a UK exclusive on August 23, 2011.

The music video debuted on television on October 1, 2010 on Nickelodeon after the premiere of the Big Time Rush episode, "Big Time Fans". The video beging with the foursome playing inside their tour bus when suddenly Kendall gets a text message from his girlfriend which says "its over". As they arrive to their next venue they find out it's actually a country club and then Carlos finds a button on his Camcorder that says: ROCK OUT, after touching it the camcorder changes the way people and things look and makes them rock, which is when the music sequence starts. The video ends at an indoor concert the group holds inside one of the rooms of the country club.

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