On November 19, 1973, “Manticore” labele released “Brain Salad Surgery”,  the fourth Emerson Lake & Palmer studio album. It was recorded June – September 1973, at the “Advison Studios” and “Olympic Studios” in London, and was produced by Greg Lake. The cover art is by H. R. Giger.

Personnel:

• Keith Emerson– Hammond organs, piano,  harpsichord,  accordion, Moog Modular IIIc synthesizer, Moog Minimoog synthesizer, Moog Constellation polyphonic ensemble (consisting of Moog Lyra solo synthesiser, Moog Apollo polyphonic synthesiser (Polymoog prototype), and prototype Moog Taurus bass pedal synthesizer), ring-modulated “computer” voice
• Greg Lake– vocals, acoustic, electric, and twelve-string guitars, bass guitar, production
• Carl Palmer– drums, percussion, gongs, timpani, tubular bells, percussion synthesizers

Track listing:

1. Jerusalem – William Blake and Hubert Parry, adapted by Keith Emerson, Greg Lake, Carl Palmer
2. Toccata – Alberto Ginastera, arr. By Keith Emerson
3. Still…You Turn Me On – Greg Lake
4. Benny the Bouncer – Keith Emerson, Greg Lake, Peter Sinfield
5. Karn Evil 9: 1^st Impression, Pt. 1 – Keith Emerson, Greg Lake
6. Karn Evil 9: 1^st Impression, Pt. 2 – Keith Emerson, Greg Lake
7. Karn Evil 9: 2nd Impression – Keith Emerson
8. Karn Evil 9: 3rd Impression – Keith Emerson, Greg Lake, Peter Sinfield