This collection of 13 tracks by Oslo-based Gambian percussionist N'Doye seems low-key at first, but it's a grower. Working in small groupings with sensitive collaborators, he builds a soundworld that slowly worms its way into your consciousness. Many of the tunes, such as Jahlena [I'm Worried], Kokonum and Box, are driven by repetitive, pulsed motifs from N'Doye's kalimba (aka mbira or thumb piano). Some feature Per Jorgensen's trumpet; most feature Jon Balke's keyboards, but the Norwegian musicians' contributions are mixed low to foreground the leader's busy, characterful percussion and voice.

Osa Yamba, a vocal chant with singers Aulay Sosseh and Lie Jallow, adds a welcome zip to the meditative proceedings, while Me is a funky exchange with Balke's electric piano and synth bass. Balke plays prepared piano on a few tracks, making a natural link between John Cage's famous invention and the traditional music of Africa's smallest nation. His scratchy vamps on Kalimba 6 create an eerie netherworld with Jorgensen's brooding trumpet and N'Doye's stately thumb piano. The kalimba's small choice of pitches give Tuki unity, but - at 62 minutes - a little too much sameness.