Swing away bumper. Be ready to relax in your new porch swing from Wayfair! Swing, in music, both the rhythmic impetus of jazz music and a specific jazz idiom prominent between about 1935 and the mid-1940s, years sometimes called the swing era. swing implies a movement of something attached at one end or one side. Swing, in music, both the rhythmic impetus of jazz music and a specific jazz idiom prominent between about 1935 and the mid-1940s, years sometimes called the swing era. Explore our selection and create your ideal relaxation spot today. Outdoor Playsets & Swing Sets at Tractor Supply Co. swing, sway, oscillate, vibrate, fluctuate, waver, undulate mean to move from one direction to its opposite. Swing represents the most famous era of jazz as a genre of entertainment, before the emergence of modern jazz. Browse playgrounds sets, baby swings, and hanging options. Discover swing solutions for every space and age group. Shop today! Swing is a style of jazz that grew from African American roots and the 1920s big-band traditions in Chicago, Kansas City, and New York City.