Among the several aspects of Joyce DiDonato’s stellar concert for the La Jolla Music Society in January of 2023 was her collaboration with Il Pomo d’Oro. Sunday at The Conrad, nine members of this nonpareil early music orchestra returned to accompany the young Polish countertenor Jakub Józef Orliński in an astounding concert of Italian music of the 17th century. Although the appreciation of Baroque music has grown tremendously in the last 50 — 60 years, the general perception of the Baroque is defined by the greats of the 18th century: J. S. Bach, Handel, Vivaldi, Scarlatti, and Telemann top this…