http://www.bbu.org/ Boston Bluegrass Union Bluegrass performers association based in West Newton. Contains a performance schedule and ticket information. http://townonline.koz.com/servlet/visit_ProcServ/DBPAGE=cge&GID=04001010230918489962829648 Newton Choral Society Concert and class schedules and information for this Newtonville-based group. http://gis.net/~raphael/nso.html Newton Symphony Orchestra Concert schedule and ticket information.