What is eight to the bar meaning?

"Eight to the bar" is a reference to a particular style of music and rhythm that was popular in the early to mid-20th century, particularly in jazz and swing music. The term refers to the use of a regular, 8-beat rhythm, often characterized by a brisk or bouncing tempo. The style is often associated with dance music, and typically features a strong emphasis on percussion and bass instruments like drums and upright bass, as well as piano and other rhythm instruments. The name "eight to the bar" comes from the idea that there are eight beats in each measure, and that the rhythm is played with constant emphasis on each of these beats. This style became very popular during the swing era, and is still played and enjoyed by musicians and audiences today.