What are the "Must have" LP's?

If I may, I'll add a few of my favorites:

180g Reissue from Acoustic Sounds:
Sonny Rollins - Saxophone Colossus
Bill Evans Trio - Sunday at the Village Vangard
Creedence Clearwater Revival - Any of the reissues

Reference Recordings (45 rpm) Out of print, but available used
Mickey Hart, Airto, Flora Purim, et al - Dafos
Respegi/Pacific Symphony - Church Windows

Mobile Fidelity
Grateful Dead - American Beauty

Sheffield Labs
Stravinsky/LSO - Firebird

Classic Records (RCA reissue)
Mussorgsky/Reiner/CSO - Pictures at an Exhibition

United Artists
Nitty Gritty Dirt Band - Dirt Silver and Gold (3 LP set, out of print, but I just picked up a very nice used one here on the 'Gon) Well worth tracking this down.

Dire Straits - Love Over Gold

Mark Knofler(sp?) - Soundtrack from Local Hero

Pete Townshend/Ronnie Lane - Rough Mix

Tangerine Dream - Rubycon

All of CAN and its members, all of VAN DER GRAAF GENERATOR and PETE HAMMILL solos, all of PAT METHENY, all of KING CRIMSON and its members, all of FOCUS and YAN AKKERMAN, all of PIERRE MOERLEN, all of PEKKA POHJOLA, all of DAVID SYLVIAN, FZ JAZZ FROM HELL, FZ UNCLE MEAT, FZ JOE'S GARAGE, FZ ZOOT ALLURES, FZ HOT RATS, all of LAURIE ANDERSON, all of MIREILLE MATHIEU, all of PATRICIA KAAS, all of GUESCH PATTI, all of GINGER BAKER...

Here are three great albums, both musically, and to show off your system:

Jazz at the Pawnshop.
Muddy Waters Folk Singer.
Cowboy Junkies Trinity Sessions.

The Doors were really well recorded, and good for showing off the ol' system.

* = show off system

Jazz -

*Duke Ellington/Louie Armstromg: Recording Together for The First Time

*Coleman Hawkins encounters Ben Webster

Coleman Hawkins: Night Hawk

*Miles Davis: Kind of Blue

Benny Goodman Live at Carnegie Hall: 40th Anniversary Concert

Keith Jarrett: The Koln Concert

Charles Lloyd: The Water is Wide

*Louie Armstrong and Ella Fitzgerald: Porky and Bess

*Duke Ellington and Johnny Hodges: Back To Back, Plays The Blues

Eva Cassidy: Live at Blues Alley

Ella Fitzgerald: Songbooks (any of them)

Blues -

Muddy Waters: Folk Singer

The Allman Bros: Live at The Filmore East (MFSL)

Keb Mo: Just Like You

John Hammond: Wicked Grin

Classical -

*Academy of St. Martin-in-the-Fields, Neville Marriner: Rodrigo- Concierto Aranjuez, Pepe Remero & Concierto Andaluz, Los Romeros

*Isaaac Stern 60th Anniversary Celebration with Pinchas Zukerman, Itzhak Perlman and Zubin Mahta

Quartetto Italiano: Mozart Six String Quartets Dedicated To Haydn

*Academy of St. Martin-in-the-Fields, Neville Marriner: Vivaldi Le quattro stagioni

*Academy of Ancient Music-Christopher Hogwood:
Beethoven The Symphonies

Rock-

Janis Ian: Breaking Silence

Pink Floyd: Dark Side of the Moon

James:James

*Eric Clapton: Unplugged

*Neal Young: Harvest Moon

*Jennifer Warnes: Famous Blue Raincoat

*Bryan Ferry: Boys and Girls

*Leon Russel: The Best of

*Harry Nilsson: Nilsson Schmilsson (MFSL)

Dave Mason: Alone Together

*The Beatles: Love Songs

Happy holiday season, everyone!

Peace on Earth!

Ross