Monks behaving badly: the medieval priests who wrote the words to Carmina Burana were definitely partial to the odd flagon of ale – or roasted swan! There’s nothing – repeat, nothing – sacred about Orff’s outrageous cantata; just terrific tunes and thoroughly reprehensible fun. Michael Seal gets the party started with Arnold Bax, and Freddy Kempf plays all the notes in rather more than just the right order, in Grieg’s ever-popular Piano Concerto.