Blue Note Entertainment Group | 3,875 followers on LinkedIn. Founded in 1981, Blue Note Entertainment Group is a multi-faceted entertainment company that owns, operates, licenses and/or programs Blue Note Jazz Clubs worldwide, including New York, NY; Tokyo, Japan; Milan, Italy; Waikiki, Hawaii; Beijing & Shanghai, China; Napa, California; and Rio de Janeiro & Sao Paulo, Brazil. The company also owns and operates Sony Hall. Additionally, the company programs the Regattabar Jazz Club (Cambridge, MA) and Blue Note-branded concerts throughout Italy.