What makes On the Spur of the Moment by Horace Parlan notable?

'On the Spur of the Moment' is significant for its innovative blend of styles, which contributed to the evolution of post-bop jazz. The album received critical acclaim, helping to elevate Parlan's profile within the jazz community and influencing subsequent generations of musicians seeking to push musical boundaries. Released in 1961, 'On the Spur of the Moment' was Horace Parlan's third album and showcased his unique style influenced by blues and gospel. At this point in his career, he had already begun to establish himself as a prominent figure in jazz, following his notable work on Charles Mingus's 'Mingus Ah Um'. This album further solidified his reputation as a skilled pianist and composer.