Al Robertson has been played on NTS shows including Sofay & Ribeka, with Dignity Of Labour first played on 4 July 2017.

Al (full name: Alistair) Robertson is an experimental electronic musician from the United Kingdom, who started experimenting with synthesizers in 1979 and released one demo tape in 1980. He is also the founder of the obscure Synthetic Tapes label.

Robertson later recorded under different aliases, including 100% Man Made Fibre.