Definitely What! (1968) captured a pivotal moment in London’s late-’60s underground scene, when jazz, blues, and rock musicians freely crossed genres. Created by the pioneering British keyboardist and Hammond organ virtuoso Brian Auger, the album helped shape early jazz-rock fusion and showcased his fearless blend of jazz, R&B, psychedelic colour, and soulful grooves. Supported by Trinity bandmates Dave Ambrose and Clive Thacker, Auger moved confidently into jazz territory with bold originals an