What makes Keyed In by Joanne Brackeen notable?

'Keyed In' is notable for its critical acclaim within jazz circles, receiving positive reviews for its sophisticated arrangements and Brackeen's distinct piano style. The album helped solidify Brackeen’s reputation as a key innovator in jazz fusion and contributed to the increasing visibility of female musicians in a predominantly male genre during the late 1970s. By 1979, Joanne Brackeen had established herself as a prominent figure in jazz, following her tenure with the influential group, the Jazz Messengers. 'Keyed In' marked her second album as a leader, showcasing her growing compositional skills and unique voice in the genre after her debut album 'Tears of Joy' in 1977. This release demonstrated her ability to merge traditional jazz elements with innovative harmonic structures.