Rock Music Memorabilia - Bath and Knebworth Festivals 1969 - 1979, Rock Music Memorabilia is a collection of Bath and Knebworth Festivals 1969 - 1969. The site also offers Bath and Knebworth Festival Posters, Bath and Knebworth Festival T-shirts, Bath and Knebworth Festival Commemorative sets, Bath and Knebworth books, Bath and Knebworth sweatshirts, Bath and Knebworth bands.