Geoffrey Simon’s London Sound series started many years ago with the first London Cello Sound. This unlikely idea (since adopted by many others) simply took one instrument, multiplied it by 8, 12 or 16, and produced an orchestra of instrumental siblings. We’ve had three or four cello discs, as well as discs of nothing but trumpets, horns, violas (there’s revenge for you), violins, basses and now harps – at least eleven discs so far.

In this latest offering there are no fewer than 16 of these magnificent instruments – each one an orchestra in its own right – playing really clever arrangements of everything from Edith Piaf (and no they don’t regret it) to music originally written for the instrument. Of course this stuff must be played at the highest level to work, and so it is. The players are some of the world’s finest, from Skaila Kanga, Professor Emerita of Harp at the Royal Academy of Music and Principal Harp of the Academy of St Martin in the Fields, to Virginie Gout-Zschäbitz, solo harp at Deutsche Oper Berlin, who also...