London guitarist Harry Christelis's heroes include Bill Frisell and Paul Motian, and beloved genres range from free improv to folk harmonies and Beatles tunes (Rubber Walrus, a side-project which playfully deconstructs Fabs songs, perfectly encapsulates these interests). His third album as leader starts with the sonar pulses and deep space shrieks of ‘Horizon’, but such effects are mostly understated. On ‘Zero Hours’, his guitar is more typically encrusted with earthy Americana, meeting Christos Stylianides's trumpet at the crossroads in a manner recalling Frisell's role in Charles Lloyd's Marvels. For all the atmospheric shimmers, this more straightforward interplay is at Nurture the Child/Challenge the Adult's heart.

‘In These Places We Live’ begins with a gently ringing, slowly unfolding guitar melody, the title's idea of personal roots perhaps anchoring the sound, till Christelis and Stylianides perform a last, intimate dance. ‘Missing’ is unsurprisingly more lonesome still, guitar and trumpet combining with ineffable sadness. Dave Storey's brushed and softly struck kit helps build the dusty aura around the wistful ‘Walking Blue’, and he and bassist Andrea Di Biase kick off the closing, nine-minute ‘Explorations Of One's Self Inside A Caravan’ with a startling funk jolt. Otherwise, there's a slight sameness in these downtempo, lugubriously extended explorations, but the songs’ strikingly sad beauty becomes clearer with every play.