George Mraz, born Jiří Mráz on September 9, 1944, in what is now the Czech Republic, was a celebrated jazz bassist and alto saxophonist who left an indelible mark on the music world. Emigrating to the United States in 1968, Mraz quickly became an in-demand musician, known for his flawless time and intonation, commanding rhythmic focus, and sophisticated playing style. Throughout his illustrious career, he collaborated with a vast array of renowned artists, including Oscar Peterson, showcasing his versatility and mastery of the bass. Widely regarded as one of the greatest jazz bassists of all time, Mraz's music continues to captivate audiences worldwide.