Horace Parlan (January 19, 1931 – February 23, 2017) was an American pianist and composer known for working in the hard bop and post-bop styles of jazz. In addition to his work as a bandleader Parlan was known for his contributions to the Charles Mingus recordings Mingus Ah Um and Blues & Roots.

From Wikipedia

Wikipedia content provided under the terms of the Creative Commons BY-SA license