In 1969 he began experimenting with free improvisational music, working in a duo with saxophonist Evan Parker.
After adding bassist Barry Guy, the ensemble became the Evan Parker Trio.
Lytton has toured North America and Japan both solo and with improvisational ensembles.
Lytton also collaborated with Jeffrey Morgan (alto & tenor saxophone), with whom he recorded the CD Terra Incognita Live in Cologne, Germany.
He played also on White Noise's pioneer electronic pop music album An Electric Storm in 1969.