Tonight at 8, the Peabody Con servatory presents a chamber music concert featuring faculty members at Friedberg Hall, 17 E. Mount Vernon Place. The program includes Bohuslav Martinu's Nonetto, Paul Val jean's Dance Suite and Beetho ven's Septet in E-Flat, Op. 20. Tickets are $10-$18. Call 410-659-8100, ext. 2.