Listen to a variety of music from different eras, including older music such as that of Benny Goodman or Tommy Dorsey, or modern swing such as Squirrel Nut Zippers and Cherry Poppin' Daddies. Decide which styles appeal to you most for dancing or just listening.
Tune in to radio programs that feature swing music or go to music stores that will let you to listen to the music. Good choices for dancing will have a swinging rhythm. Does it make you want to jump and jive? If so, write down the name of the artist.
Check out on-line music stores that will allow you to listen to samples of the CDs.
Purchase high quality, remastered CDs if you decide to purchase music by early swing musicians, such as the Count Basie Orchestra or the Stan Kenton Orchestra. Good quality CDs will have less static and noise than old records.