Sadly, only half a dozen of the black-draped tables at this jazz venue are occupied tonight: maybe the regulars have had enough pizza. Nevertheless, Vlad Miller's quartet do their best with a themed programme of originals and standards. Illness has kept saxophonist John Sanderson out of this tour, so Adrian Northover has stepped in at the last minute.

Miller is a fine pianist, with all the techniques of the contemporary postbop idiom at his fingertips. The solos he plays on originals such as In Between Two Storms are expressive and fleet, with a composer's instinct for form. Yet he has still to solve the problem faced by all emerging bandleaders: how to turn personal style into an ensemble sound.

Drummer David Rohoman coaxes nice timbres from his kit, with well-pitched cymbal work that complements the arrangements. And Bassist Leslee Booth walks, riffs and plays chords with supple ease on his supersized (six-string) bass guitar.

Yet the whole doesn't always hang together. A reggae version of Take Five is sloppy rather than sacrilegious. The more complex written parts lack the precision they need to sound relaxed. Northover sounds uncomfortable much of the time. And an awkward shift into double-time halfway through Don't Explain feels arbitrary. Despite its individual merits, the quartet lacks conviction as a band.

· At the School Hall, Belper, tonight. Box office: 01773 825281.