Concerts Maryland Hall for the Creative Arts, 801 Chase St., Annapolis, presents Merle Haggard and the Strangers at 7:30 p.m. Monday, April 16. Tickets are $73; $68 for hall members. Also, country-blues singer/guitarist Erin Harpe performs there at 7:30 p.m. Wednesday, April 18. Tickets are $15; $10 for hall members. Performances are a part of the hall's ongoing Showcase Artist Series. Information: 410-280-5640 or go to marylandhall.org.