Definition: "Beatinest" is a phrase in music that describes a particular type of instrumental or vocal performance where the singer or performer is accompanied by an ensemble of musicians, typically consisting of two to four people. This ensemble includes a drummer, bassist, guitarist, keyboardist, and sometimes string players as well. In a beatinest setting, the musician(s) are often working together in harmony with each other, creating a sense of unity and collaboration that enhances the overall sound of the performance.