Silver Lake will host its first Music in the Park concert of the season Thursday, July 13. The Pola-Czesky Royalty will be serving sloppy joes, chips, pickles, cookies, lemonade and coffee starting at 6 p.m. The George Palma Band will begin performing at 7 p.m. There also will be a bake sale. In case of inclement weather, the concert will be held in the Silver Lake Auditorium. The concerts serve as a prelude to Pola-Czesky Days, set for Aug. 4-6.