Because baroque violinist Rachel Podger and Brecon Baroque's new, period instrument Channel Classics SACD of Le Quattro Stagioni and three other violin concertos by Vivaldi is likely the freshest, most joy-filled, and best-recorded of the bunch.

As the old joke does not go, How do you get to the Papal Chapel? Audition, audition, audition. There you are, gifted and, for the early 1600s, relatively famous. You practically invented opera. You've worked for years at what seems a cushy job as the court composer to the Dukes of Gonzaga in Mantua, but you're underpaid, and feeling as if you need and deserve more. And so you self-publish, under the title Vespers 1610, a 90-minute collection—psalm settings, a motet, a hymn, a Magnificat—that highlights all of your compositional gifts.