B.B. King - Three O'Clock Blues (Live) (1951) B.B. King's '3 O'Clock Blues,' released in 1951, marks a pivotal moment in the blues legend's career and the genre's evolution. This track, a heartfelt rendition of Lowell Fulson's original, became King's breakthrough hit, showcasing his signature emotional vocal style and distinctive, vibrato-rich guitar playing. Recorded at Sam Phillips' Memphis Recording Service, the song captures the raw emotion of King's live performances, making a profound impa