Stephen Marley and his band will perform rootsy and modern reggae along with music from his father’s albums at 8 p.m. Saturday, May 10, at the Historic Ashland Armory, 208 Oak St., Ashland. Bands led by Joe Mersa and Wayne Marshall will open the show. Stephen Marley, one of Bob Marley’s seven sons, has 10 Grammy Awards to his credit. Tickets cost $25 in advance and can be purchased online at www.brownpapertickets.com, Music Coop and Magic Man in Medford and Grants Pass. Tickets will cost $30 the day of the show.