Margaritas Summer Band Series will close out its successful first season with The Youngerbloods from 7 to 11 p.m. Saturday, Sept. 7, at the restaurant, 180 Center St., Auburn. This Portland area band has performed all over Maine and beyond and will move the crowd with their blend of funk, soul, classic and R & B sounds, as well as some originals. For more information, call 207-782-6036.