What makes I, Pharaoh by The Sun Ra Arkestra notable?

'I, Pharaoh' is notable for its ambitious two-part title track, which showcases Sun Ra's unique blend of jazz with mythological narratives. The album's release contributed to the growing acceptance of experimental jazz in mainstream circles during the late 20th century, influencing future generations of artists exploring genre boundaries. By 1980, Sun Ra and his Arkestra were firmly established in the avant-garde jazz scene, following their influential albums from the late 1960s and 1970s. 'I, Pharaoh' represents a continuation of their exploration into free jazz and cosmic themes, building on the legacy established by works like 'The Heliocentric Worlds of Sun Ra'. This album came at a time when Sun Ra was increasingly focused on thematic and conceptual music.