Last week’s Classical Music Agenda omitted an excellent concert opportunity that just came to my attention, annual concerts of Schubert’s music called Schubert, Schubert, and Schubert. The final installment is this evening (March 18, 8 p.m.), at Georgetown University’s Gaston Hall (37th and O St. NW), when the Auryn String Quartet will play Schubert’s Quartetsatz, D. 703, and the “Death and the Maiden” quartet, D. 810. Pianist Kyoko Hashimoto will also play the four Schubert…

FRIDAY: >> Print out this PDF and take it to Local 16 between 6 to 9 p.m. tonight to receive a free drink, courtesy the Not For Tourists Guide to Washington, DC 2007. They’ll also be giving away free copies of the Guide. >> Local rockers The Pharmacy Prophets are brewing up a high-concept hootenanny at Iota tonight. When the band takes the stage, they’ll simultaneously be filming live concert footage for a multimedia project…

This time of year, with so many concerts on the schedule, it is sometimes hard to separate what is essential from the rest. If we had to pick this week — and we do have to pick, every week — it would be as follows. >> Last week’s stellar concerts from the National Symphony, with Osmo Vänskä and Leonidas Kavakos, were scandalously underattended. If you like good music but were unable to hear the Finnish…

Here are a few highlights for your first full week of classical concerts in March, followed by a respectable list of free events for the small of budget. >> Argentinian pianist Ingrid Fliter won the second prize, after the astounding performance by Yundi Li, at the Chopin Competition in Warsaw in 2000. She will play a free recital at the National Museum of Women in the Arts (1250 New York Ave. NW). You need a…