Name a few albums which helped determine your musical tastes

Beatles--Meet the, et al
Byrds--Mister Tamborine Man
Neil Young--Sleeps with Angels
Kinks--Muswell Hillbillies
Warren Zevon--Excitable Boy
Yes--Close to the Edge
Jethro Tull--Stand Up
Grateful Dead--American Beauty
Ventures--Ventures
Leo Kottke--Peculiaroso
Roches--Roches
Aimee Mann--Mental Health
Kate Wolf--Give Yourself to Love
Steeleye Span--Parcel of Rogues
Sharon Shannon--Diamond Mountain Sessions 

Leo Kottke--Peculiaroso

Nice.

Circa 1968, The Byrds Greatest Hits was one of my first albums; it helped shape a life-long enjoyment of jangly folk-rock (and later indie pop).

More recently, Beth Orton's Trailer Park and Sugaring Season, along with Molly Burch's First Flower, helped introduce me in retirement to a newer generation of singer-songwriters.

The Celtic Music of Brittany by the Celtic Angels pushed a bit on my understanding of what Celtic music can be (beyond old school Irish styles).

Beatles: Revolver
Doors: Strange Days
Peter Gabriel: 1
Brian Eno: Before and after Science
King Crimson: Red
David Bowie: Station to Station
David Bowie: Heroes
John Cale: Guts
Talking Heads: Fear of Music
Clash: London Calling
XTC: Drums and Wires
Material: Memory Serves
Ry Cooder: Bop till you drop
Peter Hammill: Enter K
John Coltrane: Ballads
Neil Young: On the Beach
Steely Dan: Aja
Bob Mould: Black Sheets of Rain
Johnny Cash: American Recordings
Black Sabbath: Paranoid

Shocking how many of my favorite albums show up in this thread. I guess that's why they call so many of them classics.