A blue note is a musical note played or sung lower than the corresponding note on a major scale.

Look up blue note in Wiktionary, the free dictionary.

Blue note may also refer to:

• The Blue Note (Columbia, Missouri), a rock, jazz, and pop music venue, established in 1980
• Blue Note Jazz Club, a chain of music clubs and restaurants, with branches in New York, Tokyo, Nagoya, Rio de Janeiro, São Paulo and Milan
  • Blue Note Jazz Festival, an annual festival in New York hosted by the jazz club, since 2011
• Blue Note Records, a record label which focuses on jazz music
• The Blue Note (Chicago) [de], a Chicago jazz venue open from 1947 to 1960
• Le Blue Note [fr], a Parisian jazz venue from 1958 to 1966

• The logo of the St. Louis Blues hockey team
• Blue note (aviation), the distinctive whine produced by some jet aircraft, as well as the sound of their engines and airframe noise
• "Blue Note" (Cloak & Dagger), the nineteenth episode and season 2 penultimate of Freeform's live-action show of Marvel's Cloak & Dagger

• Blue Notes (disambiguation)

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