"Who Knows What Tomorrow's Gonna Bring?" is a captivating journey into the eclectic mind of Brother Jack McDuff, released in January 1971 under the CM Blue Note label. This album stands out as one of McDuff's most adventurous works, blending soul jazz, jazz funk, hard bop, and acid jazz into a unique sonic tapestry. Over the course of six tracks and 39 minutes, McDuff explores uncharted territories, incorporating pop elements that set it apart from his earlier works. The album features innovative arrangements by Ray Draper, adding a layer of complexity and intrigue to each song. From the title track's spaced-out vibe to the funky grooves of "Classic Funke," this record is a testament to McDuff's versatility and creativity. "Who Knows What Tomorrow's Gonna Bring?" is the final album in a series of four that McDuff recorded for Blue Note between 1969 and 1971, making it a fitting conclusion to a remarkable chapter in his career. Whether you're a longtime fan of McDuff or a newcomer to his music, this album offers a fresh and exciting listening experience.