International superstar and renown instrumentalist Sting played the bass-guitar part on the song 'Friend or Foe' that will appear on the forthcoming t.A.T.u. album 'Dangerous and Moving.' Martin Kierszenbaum, t.A.T.U's A&R representative at Interscope and co-producer of the song with Robert Orton, shared details from the exclusive recording session. Martin and Sting are old friends. Martin called Sting from Los-Angeles several weeks ago. At that moment the musician was performing in Chicago as a part of his American tour. Martin asked if Sting would play bass on 'Friend or Foe,' a song Martin had written with Dave Stewart (from The Eurythmics) . Stings replied that he really enjoyed t.A.T.u's first album. He asked to hear the song and added that he would be happy to play. The recording session took place in New York several days later when Sting was in town to perform a concert. He met Martin at the music studio. Sting made the atmosphere of the entire recording session fun and casual. He came to the studio only with the bass guitar hanging on his shoulder, listened to the 'Friend or Foe' and played the bass-guitar part straight off. Sting's part drove and enhanced the song as well as fitted perfectly with Julia's and Lena's exciting vocal performances on the track. For the track, Sting used his legendary Fender P-bass with which he's recorded since his days with The Police. After recording the part, Sting smiled and laughed "That was fun."