 20 is Matthew Cooper's contribution to the mail order only Travels in Constants series from label Temporary Residence Limited.Other artists in the series include By Water, Bonnevill, Tarentel, Drona Parva, Papa M, Sonna, Bonnie 'Prince' Billy, Paul Newman, Low, Cerberus Shoal, Rumah Sakit, Mogwai, Appendix Out, Songs