The JayDoc Free Clinic, Kansas University’s student-run free health clinic, will host the ninth annual JayRock benefit concert at 7 p.m. Feb. 21.

This year’s headliner is the Main Squeeze, a funk-rock band from Bloomington, Ind., that was picked by Rolling Stone magazine to open for the Roots and Jane’s Addiction at the 2012 Super Bowl and is currently working on its second full-length album with the help of Randy Jackson, of “American Idol” fame.

JayRock 9 will take place at the Uptown Theater, 3700 Broadway, in Kansas City, Mo. Doors open at 7 p.m. Alien Jones opens at 8 p.m., and the main concert begins at 9. Tickets are $20 for general admission or $40 for VIP and can be purchased through Ticketmaster or at jayrock.jaydocfreeclinic.org.

Proceeds from the concert will benefit the JayDoc Free Clinic, which is celebrating 10 years of service. As one of the nation’s only student-run free health clinics, JayDoc serves the uninsured and underinsured populations of the greater Kansas City metro, seeing more than 2,000 patients a year.