As Bill Callahan celebrates the release of new album My Days of 58, the stalwart singer-songwriter has unveiled a prelude to his May tour of North America. He kicks off a string of shows at record stores in late March at Rough Trade New York, before heading to the Philadelphia Record Exchange; Jack’s Music Shoppe in Red Bank, New Jersey; the Sound Garden in Baltimore; and, finally, Byrdland in Washington, D.C. Check out his full itinerary, including the dates he announced in February, below. Attendance for the in-store shows is first come, first served. Read Philip Sherburne’s new profile Bill Callahan Laughs at Death.…