(Delphian)An exhilarating album of new and reimagined works by Errollyn Wallen, Laura Moody and others reaffirms this group’s reputation for fearless musical curiosityThe third album from the Hermes Experiment again shows what a liberating force in contemporary music this ensemble have become. Beautifully thought through and rewardingly eclectic, Tree begins in a melancholy but open style with Islands by Marianne Schofield, the ensemble’s bassist, and ends with the title track by Errollyn Wallen, unfolding over a steady bass like something by Purcell.Clarinettist Oliver Pashley and singer Héloïse Werner contribute their own songs while harpist Anne Denholm-Blair provides a subtly textured arrangement of Nicola LeFanu’s wistful song The Bourne. Schofield is also behind a gorgeous version of Les Rossignols by Élisabeth Jacquet de la Guerre, initially halting and ethereal, then coalescing into something approaching its 17th-century original. Abel Selaocoe’s Buhle Bendalo is full of bea...