Listen to the Queen song "Brighton Rock" around the 3:26 mark. How many guitarists do you think are playing?  If you answered more than one, you're wrong. Queen used a delay time that makes the audio sound synchronized with itself. By playing the correct notes at the right times, it can sound like multiple guitarists are playing, allowing you to harmonize with yourself. You can use a Beats Per Minute to millisecond calculator found online, but many delay plugins have a feature that lets you synchronize your delay with the tempo (BPM) and the click track. This ensures that the repetitions are perfectly in sync with the music. Click the sync button, and you'll see delay times expressed as fractions, representing subdivisions of the project tempo. Try applying this effect to rhythmic material like drums to hear the difference. ![[Delays - Longer Musical Delays.mp4]]