Essential Logic was a UK post-punk band formed by saxophonist Lora Logic after leaving X-Ray Spex. The band initially consisted of Lora Logic on saxophone and vocals, Philip Legg on guitar and vocals, William Bennett (later of Whitehouse) on guitar, Mark Turner on bass, Rich Tea on drums, and Dave Wright on saxophone. Mark was later replaced by Jon Oliver on bass.They formed in 1978 with Logic fresh out of art school. Their first 7" was released on their own label; Cells. They released a self-titled EP on Virgin Records in 1979, before signing to Rough Trade. Their debut LP, Beat Rhythm News - Waddle Ya Pay? was released in 1979, followed by several 7"s before the band split in 1980. In 1980-81 Logic also performed as a member of Red Crayola, as well as playing on recordings by The Raincoats, and The Swell Maps. Lora Logic released a solo LP, Pedigree Charm, in 1982 on the Rough Trade label. Soon afterwards she gave up recording