sentences:  During this time the artist’s output was restricted to making and decorating ceramics, Following the example of the earlier Bardfield summer exhibitions, Glass established in 1971 a series of large summer art festivals at her Essex home.These were very popular with the local art community and in 1974 she converted her house and established the Little Baddow Hall Arts Centre.Musicians and artists attracted to the centre included Howard Shelly, the Medici Quartet, John Miller and Andy Warhol, as well as prominent local artists Geoffrey Burnand, John Doubleday and Humphrey Spender.