Pitcher Adam Wainwright retired last year after an impressive 18-year career with the Cardinals. His final season had multiple milestones. Two weeks after securing his landmark 200th win, he performed three original songs after a game at Busch Stadium. It was a preview of his new country album, “Hey Y’all.” St. Louis Public Radio’s Jeremy Goodwin asked Wainwright what it was like to perform for Cardinals fans, not with a ball and a glove, but a microphone and guitar.