What makes Sundance by Chick Corea notable?

'Sundance' received critical acclaim for its innovative approach to jazz, influencing subsequent generations of musicians. The album is often noted for its rich textures and expansive compositions, contributing to the avant-garde and post-bop movements within jazz during the late 1960s. Released in 1969, 'Sundance' was Chick Corea's first album under the ECM label, marking a significant shift in his artistic direction. At this point, Corea had already established himself as a prominent figure in jazz, but 'Sundance' showcased his commitment to exploring new sonic landscapes and collaborative experimentation.