He played the electric bass and is noted as having contributed to records by the Bonzo Dog Doo - Dah Band , Vivian Stanshall and Neil Innes .
Dennis Cowan ( * 6 May 1947 , + 1 June 1975 ) was a British musician .
Dennis Cowan played the electric bass and is noted as having contributed to records by the Bonzo Dog Doo - Dah Band , Vivian Stanshall and Neil Innes .
Dennis Cowan ( * 6 May 1947 , + 1 June 1975 ) was a British musician .