Jack Campbell A discussion and performance of classical music composition through historical mathematical methods and translations ... Jack Campbell is a Canadian composer, concert violinist, arts producer and recording artist. Called a “Prodigiously Gifted Young Violinist” (Pwyll ap Siôn; The Strad) and a “Young Master of the Arts” (London Daily News), Campbell has performed in many countries. All welcome - admission free. Tea & biscuits. Donations welcome - £5 suggested to cover costs.