Brad Ellis, an American jazz arranger active during the mid-20th century, was a pivotal figure in shaping the sound of big band music. Best known for his sophisticated arrangements for Artie Shaw's orchestras, Ellis infused Shaw's distinctive clarinet style with rich harmonies and innovative voicings. His work on iconic pieces like "Begin the Beguine" and "Stardust" showcased his mastery of orchestral color and rhythmic drive. Ellis's arrangements were celebrated for their balance of complexity and swing, contributing significantly to the artistic and commercial success of Artie Shaw's bands and leaving an indelible mark on the jazz canon.