The primary instrumentation of the Bebop era, which began in the 1940s, was Blank. Bebop music generated tension through the use of fast tempos, rhythmic surprises and upper registers. The improvisational language of the era was complex, using fast arpeggios and scales

Alton sax, Drum, Bass, Piano and Trumpet

Explanation: The Bebop Era began in the 1940s. It was the kind of jazz that was both innovative and modern due to certain unique characteristics such as speed of it's tempo, rhythm unpredictability, upper registers, harmonic complexity and superb innovation. These characteristics creating a distinct leap of the Bebop jazz over the Swing-Era jazz which previously dominated jazz music. The Innovation and improvisation incorporated into the Bebop jazz using deep instrumental intricacies and harmonic structure made the Bebop jazz so outstanding and requires close attention.