Chichester RAJF ( From `` Real Ale and Jazz Festival '' ) gives a four day festival of music and real ale held each July in tents beside the 13th century Guildhall in Priory Park . A cornerstone of the Chichester music scene is Chichester RAJF ( From `` Real Ale and Jazz Festival '' ) , a four day festival of music and real ale held each July in tents beside the 13th century Guildhall in Priory Park .