"Calling (Lose My Mind)" is a single by Swedish house producers Sebastian Ingrosso (of Swedish House Mafia) and Alesso featuring American recording artist Ryan Tedder of OneRepublic.
It was released in Sweden on 13 March 2012 and in the UK on 27 May 2012. American recording artist Matthew Koma assisted the artists in writing the song. The original instrumental version of the track was released on 31 August 2011, under the name "Calling". The song topped the Billboard Hot Dance Club Songs chart and was also a top-ten hit in Australia and the UK. It was featured on Swedish House Mafia's second compilation album Until Now, released on 22 October 2012.