In 1999, Hashimoto debuted in the US, playing at clubs in New Orleans as well as Jazz at Pearl's in San Francisco, where she performed with Bruce Forman on guitar and Vince Lateano on drums.
In 2000, she toured Japan with "Brother" Jack McDuff and his band, and in September that year shared the bill with Dr. Lonnie Smith at Blue Note Osaka.
In 2002, while he was touring Japan with Diana Krall, Jeff Hamilton first heard from other musicians about the electrifying Atsuko Hashimoto "holding court" at the Don Shop, enthralling audiences while playing jazz after hours.
September 5, Atsuko and Yutaka Hashimoto recorded at Capitol Studios in Los Angeles accompanied by Jeff Hamilton.
The next day, on September 6, Atsuko Hashimoto, Jeff Hamilton and Houston Person performed at San Diego Museum of Art where they received a standing ovation.
[4] Late in September, Atsuko and Yutaka Hashimoto were invited to the 12th West Coast Jazz Party in Irvine, California.
"[5] They also played at the LAX Crowne Plaza Hotel's Brasserie Lounge in Los Angeles and Steamers Jazz Club in Fullerton.
On February 22, 2008 Atsuko Hashimoto and Jeff Hamilton joined tenor saxophonist Red Holloway at the Lionel Hampton Jazz Festival at the University of Idaho.