The Pang! documentary sees Gruff Rhys discuss his travels to South Africa to work with producer Muzi on the album.

Rhys met Muzi will in South Africa with Damon Albarn and the Africa Express crew. They worked on "Vessels", which featured on Africa Express' MOLO EP.

Muzi says of their bond in the documentary, "We were the only quiet ones. So we just gelled."

Gruff Rhys' Pang! album is out now. He commences his Welsh tour tonight (6 December) at Aberystwyth Arts Centre. Find out more.