The Philip Lorenz Memorial Keyboard Concert Series presents the Alexander String Quartet at 3 p.m. Sunday, April 8, at the Concert Hall at Fresno State. This is the third of three special events this year, in conjunction with the International Chamber Music Series. The Alexander String Quartet will perform works by Beethoven, Schumann and Shostakovich. General admission is $25, seniors are $18 and students are $5. For ticket reservations and other information, call 559.278.2337. Parking for the concert is available in Lot P1 (corner of Shaw and Maple avenues). For more information, visit keyboardconcerts.com.