Oh man...hard to pick one and might add more later..but Texas Flood is high on my list...he helped rejuvinate the blues, IMO.

Oasis - Definitely Maybe.

It opens with one of the ballsiest opening title ever. Rock n' Roll Star. It has Columbia, Live Forever, Cigarettes and Alcohol, Supersonic...

If you've never listened to the album, and hate Oasis because one of the brothers is a douche, Liam. You should try them, once you realize that the guitarist, Noel Gallagher, wrote all of the songs, you realize they aren't wankers. Just Liam. Noel is hilariously brilliant. Love this album.

http://ecx.images-amazon.com/images/I/61-8CEFlawL.jpg

I would say GNR's Appetite is a great debut, as well.

Black Sabbath's debut album from 1970, self titled, and Led Zeppelin I are a tie for me.

This is a good one. Illmatic is arguably the greatest hip hop album of all time.

Kill Em All


Though I don't think it was fully appreciated at the time it was released.

Have gotten the most mileage with one of the debuts already mentioned, probably. Aerosmith's first album was underrated.

All Things Must Pass, for a solo debut.

Live Forever is orgasmic.

I love debut albums. Most bands never reach the passion and immediacy that they achieve on that first release.

So many good ones.

Boston's self-titled one has to be up there. Changed a lot of how rock was perceived, produced, etc.

As much shit as I've given them this past week, my choice would be:

Van Halen's "Van Halen"

The first time you heard it, it was like a ****ing sledge hammer slamming against your head. You never heard a guitar sound like that. The swagger and sex and rock-n-roll was huge, massive and loud. Every song was an anthem.

And unlike most rock albums of their specific generations, Van Halen's self titled debut still sounds incredible.

<iframe width="560" height="315" src="https://www.youtube.com/embed/i5txwFv-zYM" frameborder="0" allowfullscreen></iframe>

Honorable mention:

Patti Smith's "Horses"
- One of my favorite albums regardless. Horse/Land of a Thousand Dances/La Mer is one of the greatest songs ever. Gloria might be the best cover ever.

<iframe width="420" height="315" src="https://www.youtube.com/embed/wssnxfjH-zw" frameborder="0" allowfullscreen></iframe>

Rage Against the Machine's "Rage Against the Machine"
- I still just go nuts every time I hear "Killing in the Name Of" and "Freedom." So much "**** you!" in a time of general apathy and "me first" attitudes.

<iframe width="420" height="315" src="https://www.youtube.com/embed/bWXazVhlyxQ" frameborder="0" allowfullscreen></iframe>

The Doors' "The Doors"
- I don't need to explain this one.

<iframe width="420" height="315" src="https://www.youtube.com/embed/5-0bqonqooo" frameborder="0" allowfullscreen></iframe>

Portishead's "Dummy"
- Trip hop, as a genre, was really only around for about five years or so, but in that short period some of the greatest albums of all time were produced, which includes Portishead's landmark "Dummy."

<iframe width="420" height="315" src="https://www.youtube.com/embed/gEQNAZGoZrw" frameborder="0" allowfullscreen></iframe>

the xx's "xx"
- To quote Barry in High Fidelity "A sly declaration of new classic status slipped into a bunch of safe ones...very pussy!" However, the moment I heard this album I couldn't believe what I was hearing. Checked the video...nothing made sense...a handful of pimply faced limey nerds putting out some of the most moving, introspective, minimalistic brilliance I've ever heard.

<iframe width="560" height="315" src="https://www.youtube.com/embed/Pib8eYDSFEI" frameborder="0" allowfullscreen></iframe>

I thought that before I clicked the link.

Oh, and this one:

http://i.ytimg.com/vi/ww5GXbk58R0/0.jpg

Tom Scholz is a god.

http://www.grayflannelsuit.net/blog/...full-cover.jpg

Because its the first thing that came to mind and I still listen to it without skipping/fast forwarding.

This.

Sublime- 40 oz to Freedom
This changed everything for me. The amazing blend of reggae, punk rock, hip hop, dub, ska, an dancehall just blew my doors open after the very first listen. Brad's voice is almost heavenly, and so full of soul. The bass lines, the drums, and the guest musicians from the LBC could immediately take you to a sunny summer day in So Cal. I still listen to it without skipping any tracks, even after all these years, and all the copies of the cd I've gone through.

Nor is Surfer Rosa, but its certainly a damn good album, their best IMO.

For my money, you called the best one a bit later.. GNR.