Saori Yano (矢野沙織, Yano Saori in Japanese order) was born on 27 October 1986 in Ota Ward, Tokyo, and got her instrument by losing a game. In fourth grade a friend took her along to the school brass band, and when the band decided who would play what, she lost at rock-paper-scissors and was handed the alto saxophone. Two years later she heard Charlie Parker's "Donna Lee" on a Jaco Pastorius album, a record her father owned, and that one tune sent her toward bebop, which she taught herself from records.

At 14 she read Billie Holiday's autobiography and learned that Holiday was already working as a singer at her age, so she began calling Tokyo jazz clubs to ask for a booking. Being a junior-high student made that hard, but a club called Cafe Claire in Nishi-Arai gave her a first stage and she started playing live at 14. She studied alto saxophone with Atsushi Ikeda. After junior high she went to the United States, played in restaurants and other New York venues, and, according to her label's biography, sat in at jam sessions in 2003 with Frank Wess at the Lenox Lounge and the Zinc Bar.

Her debut album, Yano Saori (Savoy Records, 25 September 2003), came out when she was 16: bebop and standards, with tunes by Parker, Ellington and Pettiford and two originals of her own, and Harold Mabern, Nat Reeves and Joe Farnsworth among the credited players. The label describes her as the second Japanese artist on Savoy. Her second album, 02 (26 May 2004), was cut in New York in April 2004 with the Harold Mabern trio, the tenor saxophonist Eric Alexander and the guitarist Peter Bernstein. In May 2004 she and the pianist Takashi Matsunaga, who was born the same year, released "Open Mind," the theme of TV Asahi's news programme Hodo Station, which brought her wide attention in Japan.

Sakura Stamp (23 March 2005) added the trumpeter Nicholas Payton, Alexander, Bernstein, the organist Mike LeDonne and the drummer Joe Farnsworth. That July she played the New York club Smoke with the drummer Jimmy Cobb, the pianist Richard Wyands and the bassist John Webber, and the live recording became Parker's Mood: Live in New York (November 2005), her first live album. Her label's biography says Cobb called her "the Japanese Cannonball Adderley," a reference to Cannonball Adderley, and that she toured Japan with the saxophonist James Moody that year.

Groovin' High (18 October 2006) was recorded at Clinton Studios in New York on 22 and 23 July 2006 and put her in front of a band of veterans: the trombonist Slide Hampton, the tenor saxophonists Jimmy Heath and James Moody, the trumpeter Randy Brecker, the baritone saxophonist Gary Smulyan, the drummer Adam Nussbaum and the bassist Ray Drummond. The label's biography says the album placed second in Swing Journal's 2006 readers' poll. Moody became a friend and teacher: in 2007 she spent two weeks at his home in California taking one-on-one lessons.

In 2007 she was also the face of Kao's Asience hair-care advertising and wrote and played its song, "I & I" (single, 20 June 2007). Her first best-of, Saori Yano Best: Jazz Returns (矢野沙織BEST ジャズ回帰, 20 June 2007, CD and DVD), won Jazz Album of the Year at the 22nd Japan Gold Disc Awards when she was 20. Little Tiny (21 November 2007) was a Hammond-organ record with Dr. Lonnie Smith, Peter Bernstein and Lewis Nash credited on it. That year she also wrote the liner notes for the reissue of Toshiko Akiyoshi's 1965 Lullabies for You (Columbia), a record issued under the billing Toshiko Mariano & Her Trio.

Gloomy Sunday (3 December 2008) was her tribute to Billie Holiday, the singer who had set her on the road as a teenager: the arranger and violinist Neko Saito wrote string-orchestra settings, and she played Holiday's phrasing on the alto. Bebop at the Savoy (20 January 2010) went back to New York for a session with the trumpeter Jim Rotondi, the guitarist Randy Johnston and the organist Pat Bianchi, which she co-produced with the drummer Fukushi Tainaka; its bonus track, "Laura Peacock," was the theme for a TBS television special on an ancient Egyptian king's boat. In late 2010 she and the saxophonist Naruyoshi Kikuchi each contributed liner notes to the two-disc Very Best of Charlie Parker (Savoy/Columbia).

For her tenth anniversary she made Answer (17 October 2012), a fan-request album of standards and two of her own pieces, with the trumpeter Terumasa Hino as guest. Bubble Bubble Bebop (22 April 2015) was her eleventh album and a deliberate widening: funk and Cuban-Latin arrangements, with the tenor saxophonist Motoharu and the trumpeter Tabu Zombie of SOIL&"PIMP"SESSIONS and the Japanese Cuban-Latin band Salsa Swingoza led by the percussionist Gen Ogimi. In August 2015 she took part in an NHK-FM radio programme marking the 100th anniversary of Billie Holiday's birth.

In 2022 she launched House of Jaxx, a band built around her alto, her singing and a core of Hiro-a-key on vocals, Jun Miyakawa on keyboards and Shin Sakaino on bass and electronics. Its self-titled album (17 August 2022) mixes bebop phrasing with R&B and lo-fi hip-hop beats, and Kikuchi wrote its liner notes. She and Kikuchi had first met around 2010 through a joint Tower Records and Suntory promotion for jazz artists, and he later invited her to play at his HOT HOUSE swing-dance party. For her 20th anniversary on a major label she then made The Golden Dawn (King Records, 29 November 2023), her first album under her own name in eight years. Recorded on 10 September and 2 and 5 October 2023 at King Sekiguchidai Studio, it pairs bebop standards with three originals about her early career ("Gated City:14," "Beginning:15" and "Unchain:16," named for her ages from 14 to 16), and Kikuchi arranged the strings, played by his own string quartet.

In 2026 she formed a duo, Besties our sounds., with the pianist Josei (丈青) of SOIL&"PIMP"SESSIONS. Their debut album, rose garden, was recorded on 18 and 19 March 2026 at Coppice Miyoshi in Saitama on a 1901 Steinway Model C and released on 24 June 2026 (DIW Products Group). The release shows were at Billboard Live Osaka on 26 June and Blue Note Place in Tokyo on 30 June, and further dates are listed into November 2026, including Jazz Club Gallon in Osaka on 3 November. She plays a C.G. Conn 26M alto and is known for performing in high heels.

Yano is a bebop player first. The root is Charlie Parker: "Donna Lee" is what pulled her toward jazz as a child, and her records keep returning to Parker's repertoire ("Confirmation," "Scrapple from the Apple," "Billie's Bounce," "Ornithology," "Klact-oveeseds-tene"). She has said that what she hears in Parker is something dark and unsettling, and in the interviews around The Golden Dawn she argued against the idea that bebop is only bright and athletic, wanting a smokier, more decadent sound.

Her teachers and sparring partners were the older New York generation. Atsushi Ikeda taught her in Tokyo, James Moody gave her private lessons in California, and the guest list on Groovin' High (Hampton, Heath, Moody, Brecker) reads as a deliberate encounter with the older bebop generation. The same album pairs her bebop with Japanese material, a saxophone version of the Taisho-era song "Hamabe no Uta."

Billie Holiday is the other pillar. Holiday's autobiography is what sent her into Tokyo clubs at 14, and Gloomy Sunday (2008) re-sings Holiday's repertoire on the alto with string arrangements by Neko Saito. The later records stretch the frame without leaving it: Bubble Bubble Bebop adds Cuban and funk grooves, House of Jaxx mixes bebop lines with R&B and lo-fi hip-hop, and The Golden Dawn sets bebop standards against Naruyoshi Kikuchi's string writing. Her commercial profile (a television news theme, a hair-care advertising push, a best-of that won a Japan Gold Disc Award) is real, but her catalogue is overwhelmingly jazz and is tagged jazz, bop and hard bop throughout.