Riley B. King was born September 16, 1925, on a cotton plantation near Itta Bena, Mississippi, and grew up picking cotton before an army deferment for essential farm labor kept him out of World War II service. He moved to Memphis in the mid-1940s, took the stage name "Beale Street Blues Boy," later shortened to "B.B.," and built a career that made him, by wide consensus, the single most influential electric blues guitarist of the second half of the 20th century. King toured relentlessly for decades — by his own account playing 342 shows in 1956 alone, and averaging over 200 concerts a year into his 70s — and racked up 15 Grammy Awards, a 1987 Rock and Roll Hall of Fame induction, and a 1980 Blues Hall of Fame induction over a catalog of more than 40 studio and live albums. This profile does not attempt that full career; it is scoped specifically to the two chapters of King's work with a genuine, documented jazz connection.

The clearest of those is Blues 'N' Jazz, a 1983 studio album for MCA Records, cut in New York and Texas sessions and released to coincide with King's 58th birthday. Every horn arrangement on the record was written by trumpeter and bandleader Calvin Owens, who had first served as King's music director from 1953 to 1957 and returned in 1978 to lead King's touring band and horn section through 1984. For Blues 'N' Jazz, Owens assembled a genuine jazz lineup around King: tenor saxophonist Arnett Cobb (a Texas tenor legend out of the Milt Larkin and Lionel Hampton bands) took the lead saxophone chair, trumpeter Woody Shaw — one of the defining post-bop trumpet voices of his generation — appeared alongside Owens's own trumpet, vibraphonist Warren Chiasson (known for his work with George Shearing and Chet Baker) added a genuinely jazz-idiomatic color, and the rhythm section included bassist Major Holley and drummer Oliver Jackson, both journeymen of the New York jazz scene. Discogs itself tags the release "Jazz, Blues" and "Big Band" in its genre and style fields, not blues alone — an independent, third-party classification that supports treating this specific record as a real jazz crossover rather than a stretch. The album won the Grammy Award for Best Traditional Blues Recording at the 26th Annual Grammy Awards in February 1984, King's third Grammy win.

The other anchor point predates Blues 'N' Jazz by more than a decade: a July 7, 1972 performance at Yankee Stadium as part of that year's Newport Jazz Festival, which producer George Wein had relocated to New York City and staged across multiple venues, including Yankee Stadium and Radio City Music Hall. King sat in on guitar for an extended jam alongside organist Jimmy Smith, guitarist Kenny Burrell, trumpeters Clark Terry and Joe Newman, tenor saxophonist Zoot Sims, and drummer Roy Haynes — a genuine gathering of major jazz names, not a billing coincidence. The performance was released as part of the sprawling Newport in New York '72 box set and later reissued as a standalone LP, Newport Jazz Festival 1972 Volume I. Its centerpiece, a 15-minute reading of "Blue 'N' Boogie," is a multi-horn blues-jazz jam built around successive solos, with King's guitar taking its turn alongside Terry, Sims, Burrell, and Newman.

Beyond these two specific records, King's guitar vocabulary itself carried a jazz debt: he cited jazz guitarists Django Reinhardt and Charlie Christian, alongside blues players T-Bone Walker and Lonnie Johnson, as formative influences, and described listening closely to jazz horn players — Illinois Jacquet in particular — for the vocal-like phrasing, dynamics, and economical note choices that became his signature. King himself said he came "from the big-band era," naming Count Basie, Duke Ellington, Benny Goodman, and Jimmie Lunceford as admired figures, which is consistent with his lifelong preference for horn-driven backing bands even on records with no direct jazz personnel. King died May 14, 2015, in Las Vegas, Nevada, at age 89.

King's connection to jazz runs in two distinct directions. The first is stylistic: his celebrated single-string, vocal-like guitar phrasing — precise bends, sparing note choices, the "butterfly" vibrato — was shaped in part by jazz guitarists Django Reinhardt and Charlie Christian and by close listening to jazz horn players, especially Illinois Jacquet, whose economical tenor-saxophone phrasing King cited as a direct model for how he approached the guitar. The second is concrete and documentary: on Blues 'N' Jazz (1983), arranger Calvin Owens built an actual big-band horn section around King out of working jazz musicians — Arnett Cobb, Woody Shaw, Warren Chiasson chief among them — and Discogs' own genre tagging of that record as "Jazz, Blues" rather than blues alone backs up treating it as a real crossover. The July 1972 Newport Jazz Festival-New York jam adds a second, earlier data point: King improvising alongside Jimmy Smith, Kenny Burrell, Clark Terry, Joe Newman, Zoot Sims, and Roy Haynes in a genuine multi-artist jazz-festival jam, not a guest-star cameo. None of this makes King a jazz musician in any sustained sense — his catalog of 40-plus albums is blues catalog through and through — but these two records are real, documented, and specific enough to earn a place in a jazz-scene history, not an overstated one.