The Tallahassee Community Chorus presents Brahm's Requiem April 19 at Ruby Diamond Auditorium. Tickets are available from the FSU Fine Arts ticket office (644-6500), and Beethoven & Co. (894-8700), and cost $18 for general admission, $12 for adults, and $5 for students. A pre-concert luncheon April 18 at Alfriend Hall in St John's Episcopal Church affords the public the opportunity to meet the artistic director, Dr Andre Thomas, and soloists. Cost is $15. Proceeds from this event will go to benefit the Tallahassee Community Chorus. Call 668-5394 for information.