Bayside Youth Ballet dancers were among those taking part in the Gloucester Library’s “Return of the Roaring Twenties” event last Thursday. Here, Savanna Klaus, Jessie Mills, Cody Herbert, Melody Thompson, Emma Pearson and Aaliyah Henderson, from left, perform the Charleston. Below, Jessie Mills, at right, shows audience members Traci Keller and Patti Fazzi a few steps in the popular 1920s dance, The Charleston.