Ancient Mechanisms is the 4th album by LV, which was created in collaboration with Tigran Hamasyan and was released 9 October 2015.[5][2][1][3] LV is a duo of Si Williams and Will Horrocks, who met when they were both studying at University College London.[5][4][7][6] Critics said that Tigran and LV did not gel well together, leaving the music sounding disjointed.[5] LV and Tigran first met when they were performing at a Maida Vale session in 2012 for Gilles Peterson's final BBC Radio 1 show.[8][4][2][6]