Raymond Matthews Brown was born October 13, 1926, in Pittsburgh, Pennsylvania. He began piano lessons at eight, then switched to upright bass at seventeen — a practical decision as much as a musical one, since his high school already had more piano players than it needed. Jimmy Blanton, the young bassist who transformed the instrument's role in Duke Ellington's band before his early death in 1942, was Brown's foundational influence: proof that the bass could be a lead melodic voice and not just a rhythm-section anchor. Brown played his first professional engagement in Pittsburgh in 1943 and spent 1944 on the road with bandleader Snookum Russell before relocating to New York City in 1945 at nineteen, chasing the scene coalescing on 52nd Street.

New York wasted no time with him. On his first day in town he was introduced to pianist Hank Jones, who in turn introduced him to Dizzy Gillespie; Gillespie hired him on the spot, and within days Brown was also playing alongside Art Tatum and Charlie Parker. He worked in Gillespie's band from 1946 to 1951, where he formed the rhythm section's engine room alongside vibraphonist Milt Jackson, drummer Kenny Clarke, and pianist John Lewis — the same three musicians who, without Brown, would go on to found the Modern Jazz Quartet. Brown's own path ran elsewhere, but the pedigree of that Gillespie rhythm section says as much about his standing at twenty as any review could.

It was also through the Gillespie band that Brown met Ella Fitzgerald, who joined as a guest vocalist for a 1947 southern tour built around Jazz at the Philharmonic, the touring all-star package produced by Norman Granz that would define much of Brown's next decade. Brown and Fitzgerald married on December 10, 1947, and adopted a son, born to Fitzgerald's half-sister Frances, whom they named Ray Brown Jr. The marriage ended in divorce in 1953, but the two remained professional collaborators for years afterward, and Brown continued to serve as musical director on Fitzgerald's tours through the early 1950s.

Granz's Jazz at the Philharmonic circuit also introduced Brown, at a 1949 concert, to pianist Oscar Peterson, and in 1951 Brown joined Peterson's trio — the beginning of a fourteen-year partnership now regarded as one of the defining small-group relationships in jazz history. The trio's format shifted twice during Brown's tenure: guitarist Barney Kessel, then Herb Ellis, filled the chair alongside piano and bass until 1958, after which Peterson moved to a piano-bass-drums configuration with Ed Thigpen. Through Granz's Verve sessions of the 1950s, Brown's basswork became one of the most heard sounds in jazz, anchoring not only Peterson's own records but marquee pairings with Ella Fitzgerald, Louis Armstrong, Billie Holiday, Coleman Hawkins, Ben Webster, Stan Getz, and — on the small-group side sessions Granz loved to assemble — a working quartet with vibraphonist Lionel Hampton and drummer Buddy Rich billed as Hamp's Big Four, whose own career is covered in full in his JazzProfiles.com profile. Brown began recording as a leader in the middle of all this rather than after it: Bass Hit! (1957, Verve), arranged and conducted by Marty Paich, was his debut; This Is Ray Brown (1958, Verve) went so far as to put Peterson himself on piano for his own sideman's date; Jazz Cello (1960, Verve) showcased the instrument he'd taken up as a side pursuit; and Ray Brown / Milt Jackson (1965, Verve) reunited him with his old Gillespie-band vibraphone partner inside a big-band arrangement.

After leaving Peterson's trio in 1966 — succeeded by bassist Sam Jones, whose own career is covered in full in his JazzProfiles.com profile — Brown settled in Los Angeles and rebuilt his career around the city's recording studios rather than the road. He became one of the most in-demand session bassists on the West Coast, appearing on soundtrack dates for Lalo Schifrin (Bullitt, Mission: Impossible, Kelly's Heroes) and Quincy Jones, and on pop and rock sessions ranging from Frank Sinatra and Nancy Wilson to Steely Dan's Countdown to Ecstasy (1973) and, later, Elvis Costello's King of America (1986). He also worked as a manager during these years, handling bookings and business for both the Modern Jazz Quartet and, through most of the 1970s, a young Quincy Jones. In 1969 he began teaching a jazz class at UCLA, where a sixteen-year-old bass student named John Clayton enrolled that year and began a mentorship that ran more than three decades; Clayton's own career, including the mentorship in his own words, is covered in full in his JazzProfiles.com profile. From 1974 to 1982 Brown was also the bassist in the L.A. Four, alongside guitarist Laurindo Almeida, saxophonist/flutist Bud Shank, and drummer Shelly Manne, later succeeded by Jeff Hamilton.

Brown's return to steady work as a leader began in earnest in the mid-1970s: Brown's Bag (1976, Concord Jazz) and Something for Lester (recorded 1977, released 1979 on Contemporary) — a trio date with Cedar Walton and Elvin Jones that AllMusic's Scott Yanow called a transition between the Peterson years and Brown's own small-group sessions of the '80s and '90s — set the direction. In the early 1980s Brown coaxed pianist Gene Harris out of retirement to anchor a new working trio, and the Ray Brown Trio became one of Concord Jazz's most reliable jazz acts through the decade: Soular Energy (1984, recorded with Harris and guitarist Emily Remler) is still cited as an audiophile-grade straight-ahead session, and Bam Bam Bam (1989), recorded live in Tokyo, added drummer Jeff Hamilton, whose own career is covered in full in his JazzProfiles.com profile — Hamilton stayed with the trio from 1988 until March 1995.

From 1989 on, Brown's main recording home was Telarc, where he built a second prolific run into his final years. He recorded seven albums between 1989 and 2002 with pianist André Previn (After Hours, Uptown, Old Friends, among others), and led his own trio through a rotating cast of pianists — Benny Green, Geoff Keezer, Larry Fuller — and drummers, including Gregory Hutchinson and, in his final configuration, Karriem Riggins. Telarc's Some of My Best Friends Are… series (piano players, 1994; sax players, 1996; singers, 1998; trumpet players, 2000; guitarists, 2002) turned Brown's trio into a standing showcase for the next generation, a role formalized most directly on SuperBass (1997), a bass-trio summit recorded live at Scullers in Boston that put Brown alongside his former UCLA student John Clayton and a 24-year-old Christian McBride — three generations of jazz bass in one band. Brown also recorded a 1990 West Coast big-band date, I'm Walking, with Billy Higgins and John Guerin sharing the drum chair, Cedar Walton on piano, and Clayton contributing arrangements alongside Brown himself.

Brown's honors accumulated across the back half of his career. He won a Grammy for Best Original Jazz Composition in 1964 for "Gravy Waltz" (co-written with Steve Allen, who used it as the theme for his television show), and two more as a sideman on Oscar Peterson's The Legendary Oscar Peterson Trio Live at the Blue Note (1991) and Saturday Night at the Blue Note (1992), both winning Best Jazz Instrumental Album. He received a Fellowship from the National Endowment for the Arts as an NEA Jazz Master in 1995, an honorary doctorate from Berklee College of Music the same year, and Austria's Cross of Honour for Science and Art, First Class, in 2001. He was inducted into the DownBeat Jazz Hall of Fame in 2003, the year after his death.

Brown died July 2, 2002, in Indianapolis, Indiana, while his trio — Larry Fuller on piano, Karriem Riggins on drums — was finishing an engagement at the Jazz Kitchen. He had played a round of golf that afternoon, then gone back to his hotel for a nap before the evening's show; when he failed to appear, a bandmate went to check on him and found he had died in his sleep. He was 75.

Brown's playing set the modern template for jazz bass in a small-group rhythm section: a huge, immaculately in-tune tone; a walking line so steady that two of the most demanding bandleaders in jazz, Oscar Peterson and later Cannonball Adderley's circle, built their groups around it without adjustment; and a harmonic sophistication, developed under Peterson's virtuosic writing, that let him solo with the fluency of a horn player rather than just a timekeeper. Jimmy Blanton's example — that the bass could carry a melody, not just support one — never left his playing, and Brown extended it further by recording seriously on cello as well as bass. What set him apart in his later decades was less a change in his own sound than his deliberate role as a conduit: from his UCLA classroom in 1969 through the Ray Brown Trio's revolving cast of young pianists and drummers to the three-generation summit of SuperBass, Brown spent as much of his career developing other bassists' and pianists' careers as he did his own, a mentorship legacy arguably as consequential to jazz as his recorded output.