Moontipping point in Imogen Heap's career was having 'Hide And Seek' the first single from her second album, 'Speak For Yourself', used in the closing scenes of the second series of 'The OC'. The self-released track, featuring just Heap's vocodered voice, subsequently shot up the iTunes charts in the US and later the UK.

In the following years, Heap has become known as an innovator in music, particularly in her use of social media and technology. Her fourth album, which is currently a work in progress, sees her push these ideas yet further. The album will see her work on a different track for a two week period every three months, before releasing it via her website.

The first track, 'Lifeline' (originally titled 'Heapsong1') was created using sounds, videos and