Harry Arnold was a Swedish jazz arranger, composer, and bandleader known for his sophisticated and swinging big band arrangements. Emerging in the 1950s, Arnold's style blended American jazz traditions with a distinctly European sensibility, often featuring intricate voicings and dynamic contrasts. His contributions to jazz include leading several influential big bands and collaborating with international stars, leaving a legacy of meticulously crafted and enduring compositions that remain staples in jazz repertoire.