Recent Classical Highlights for May 2023As usual, the highlights of this month's classical music span a wide range of genres. There is Baroque opera: Porpora's Carlo il Calvo; two solo guitar albums, one with Raphaël Feuillâtre (pictured) and one from Zsofia Boros; a second volume of piano encores by Piers Lane; and an impressive reading of Stanford's Requiem.