When you first learn to play music, a lot of the instruction is about structure. Turn the metronome on and follow the beats straight up. James Dewitt Yancey, also known as J Dilla, shifted the beats for a different feel and sound. This piece, by Michelle McGhee for The Pudding, demonstrates this difference.
Turn the sound on and press the buttons. It’s neat to hear the breakdown of the rhythm as you walk through the styles.