Prior to this, on all releases bar the first, the album also contained a number of tracks from sessions originally on The Amazing Bud Powell, Vol.

[4] In Bebop: The Best Musicians and Recordings, Yanow identifies among the highlights of the album "Bouncing with Bud", "52nd Street Theme" and "Dance of the Infidels," performed by the "very exciting quintet" of 1949, and also the 1951 trio's "three stunning versions of 'Un Poco Loco'".

[8] Barry Kernfeld in The Blackwell Guide to Recorded Jazz notes with regards to "Un Poco Loco" that "the three takes [of the song]...enable us to hear the evolution of a masterpiece",[9] a label with which a critic at The New York Times concurred.

According to Race Music: Black Cultures from Bebop to Hip-Hop, although Afro-Cuban jazz had been introduced in the 1940s by such artists as Dizzy Gillespie and Machito, "Un Poco Loco" is a significant marker in the establishment of this musical genre, as it revealed "the Afro-Cuban turn settling into bebop's acceptable field of rhetorical conventions".

[11] More than Afro-Cuban, the authors of that book detect what they describe as a "Pan-African" musical influence in the composition's repetition, harmony and cyclic solo that, while not as obviously Afro-international as Gillespie's "A Night in Tunisia', "certainly signaled a 'blackness' that became part of the language of subsequent expressions of modern jazz.