Rotators are often used for generic voice tracks that play over and over, like Station ID’s. Rotators can also be used for jingles, bumpers and drops. Auto-numbered tracks are useful for Daily Voice tracks, those live-voicers that are recorded for one-time use; song intros, morning traffic announcements and such. Mostly this type of track is used for creating a live-sounding DJ shift using announcers often in far away places. Here’s how it works.