The Black Rock Art Center will host a benefit concert for Harmony4Kidz featuring The Daria Musk Trio, the Blue Joy Project, Irena and Bermuda Road, Laura Sumner and Lisa Bastoni.  The art exhibit "Artists Who Care: Work For, By, and About At-Risk Children" exhibit will open at 6:30 PM to concert attendees.  Tickets for the concert are $12 in advance and $15 at the door.  For more information, call 367-7917 or visit www.harmony4kidz.com