What makes Topology by Joe McPhee notable?

'Topology' is significant for its ambitious length and structure, particularly the title track which spans nearly 29 minutes, pushing the limits of conventional jazz formats. The album received positive critical attention and became a touchstone for musicians exploring free improvisation and avant-garde jazz, influencing subsequent artists in the genre. At the time of its release in 1981, Joe McPhee was already an established figure in the free jazz scene, having gained recognition for his innovative approach to music. 'Topology' followed his well-received album 'Nation Time' and further solidified his reputation as a boundary-pushing artist, blending genres and expanding the possibilities of jazz.