Love in the time of cholera had nothing on love in the time just before the Black Death decimated Europe’s population. You can enjoy the sounds of medieval passion and affection Tuesday at Bernardus’s only scheduled 2010 San Antonio concert. Countertenor Jay White of Chanticleer and early music strings specialist Craig Resta will present troubadour and sacred songs, instrumental music, and prose, accompanied by a medieval-art slideshow. Sponsored by Christ Church Friends of Music. Donation suggested, 7 p.m. December 29, Christ Episcopal Church, 520 Belknap. — Elaine Wolff