What makes Hard Talk by Mal Waldron notable?

'Hard Talk' is notable for its ambitious length and structure, particularly the title track which stretches over 19 minutes, reflecting the avant-garde jazz movement's influence during the early 1970s. The album received critical acclaim for its innovative sound and was influential among contemporaries in pushing the boundaries of jazz performance. When 'Hard Talk' was released in 1970, Mal Waldron was transitioning to a more experimental approach after his time as a sought-after pianist and composer for other jazz legends. This album marked a significant shift in his career, showcasing his deepening love for free jazz and avant-garde expressions, building on his previous works like 'The Quest' from 1965.