Jaaazzzzz, baby - the only original American artform.
Some of my favorites:
Louis Armstrong - The Hot 5's & 7's Complete
Duke Ellington - Ellington At Newport '56, The Okeh Ellington.
Dizzy Gillespie - Birk's Works, At Newport.
Count Basie - Live At The Sands, First Time: The Count Meets The Duke
Django Reinhardt - At His Best: Sweet & Lowdown
Art Tatum - Piano Starts Here, 20th Century Piano Genius.
Miles Davis - Kind Of Blue, Bitches Brew, Birth Of The Cool.
John Coltrane - A Love Supreme, Giant Steps, My Favorite Things.
Lester Young - Kansas City Sessions
Charlie Parker - Yardbird Suite, At Massey Hall.
Charles Mingus - Black Saint & The Sinner Lady, Mingus Ah Um.
Chet Baker - Chet, The Italian Sessions.
Dave Brubeck Quartet - Time Out.
Thelonious Monk - Thelonious In Action at The Five Spot Cafe, Straight No Chaser.
Billie Holliday - Lady In Satin, Love Songs.
Ella Fitzgerald - Pure Ella, Ella In Rome.
Sarah Vaughan - Swingin' Easy
Pat Suzuki - Very Best Of...
Weather Report - Heavy Weather
Chick Corea - Return To Forever
Chuck Mangione - Children Of Sanchez, Land Of Make Believe.
Greyboy Allstars - Town Called Earth, Live.
Rachelle Ferrell - First Instrument
Squirrel Nut Zippers - Hot!
Jazz On The Line - No Boundries
N'kay that's enough...

I dug through 'the LP trunk' for this list.
The last one deserves a side note: Jazz On The Line was a college formed band (UC Santa Cruz) that came out with this release in 1991. The CD features a cross section of jazz styles with hints of pre-acid Jazz, blues, funk and gospel. A friend of mine who was attending UCSC at the time turned me onto them, and with their sharp musicianship and excellent songwriting the CD blew my mind. No Boundaries was a self-release by the band that soon became unavailable. Well, by some miracle, its available again through Edgetone Records, but who knows for how long.
Look here (at the bottom of the page) to take a chance on this fiery acoustic sextet with gorgeous female vocals by Anna Gurski.