No Jacket Required is the third solo studio album by English singer-songwriter Phil Collins, the lead vocalist and drummer for the rock band Genesis. The album was originally released on 25 January 1985 on Virgin (UK and Ireland), Atlantic (US and Canada), and WEA (Rest of the world). It features guest backing vocalists, including Helen Terry, Peter Gabriel and Sting. Some of the songs, like "Don't Lose My Number" and "Sussudio", were based around improvisation. .