Formed by cornetto player Gawain Glenton and harpist Kirsty Whatley, In Echo places these two rare and expressive instruments centre stage.   The triple harp and the cornetto thrived during the tumultuous shift from the Renasissance to the Baroque, bequeathing them a sophisticated repertoire that combines artful counterpoint with emotive dissonance, immaculate polyphony with soloistic virtuosity, and the semi-improvised practices of ornamentation, diminution and continuo accompaniment. (continued)