For those of you not already queueing up for British Actors Equity Pension Scheme: The Final Showdown, Friday brings the start of the Proms -- listen in here if you're beyond the pale (or watch if you've got location or skillz). Brahms, Liszt and Janáček get it all rolling. Saturday has Guillaume Tell in concert -- never rains but it pours -- and after that it's the Concert Series of Many Things.
And here's the link for live weekend Shedcasts from Tanglewood, which points of interest are several, among them Susan Graham on 7/22.
Glimmerglass receives a Thirdfloorian Delegation at Medea, and the RSC another at The Winter's Tale, in the not too distant future, if the creek riseth not. More on these anon.