John Matthews has been played on NTS shows including Full House, with Pots 'N' Pans first played on 21 January 2014.

There are at least 2 John Matthews:

John Matthews is an alias for jazz and electronic music composer John Baker. This name was used in his collaborations with with Doris Hays and Anthony King.

John Matthews is also the name of an acoustic pop singer. http://www.cdbaby.com/cd/johnmatthews