Steven Isserlis and Richard Egarr here assemble all the viola da gamba sonatas written by three composers born in the propitious year of 1685: one each by Handel and Domenico Scarlatti, and three by J.S. Bach. Isserlis plays them on the gamba’s modern cousin, the cello, and the microphone loves his playing, picking up all the nuances and scampering asides from his soft-spoken instrument which can sometimes get lost in big concert halls. Egarr on harpsichord matches Isserlis’s eloquence and rambunctious energy all the way. The dreamy, airy slow movement of Bach’s Sonata in G minor brings telling use of vibrato as Isserlis circles around Egarr, his playing at once idiomatic and soulful. An extra cellist reinforces the bass line in the Handel and Scarlatti, in which the composers give the harpsichordist only a framework; Egarr’s imaginative realisations ensure that even when Scarlatti is at his most repetitive, he is never dull.