I don't know if you've heard of them or not but one of my favorite unknown (or semi-unknown) bands is Dead by April.

Smashing Pumpkins surprises me, but I guess it depends on when the band in question was popular or if it was popular in the area one happens to be. They were really popular when I was in highschool. "Tonight, Tonight" and "Disarmed" (if I have that one right) are the songs I hear most of the time.

I know Default as well, but I live in the city they're from so I can't say how well known they might be worldwide. "Wasting My Time" is the song I've heard most from them. It was on the radio quite a bit.

Smashing Pumpkins is an OLD as hell band xD <3 And, one of my very favorites!

I got to see them live. Which is rare. xD;

Pop Evil
Genre:Rock
Song Recommendation: 100 in a 55

Its a small Low stream band that started up in my city topeka, they have amazing heart touching songs and in my opinion are really good. If someone see's this and approves please let me know because i love knowing that i have gotten someone hooked to a band

I personally love sharing Detektivbyran with people. ;3 It's... unique compared to anything else I can think of. Artistic instrumentals, but really beautiful music. Definitely something different and not overly well known. Give it a try if you like!

A few of bands you may have never heard of. Machinae Supremacy, practically invented SID metal, and they are one of the greatest bands I've ever had the pleasure of listening to. SID comes from the SID chip installed on a commodore 64, so most of their influences stem from video games, and what not. They are soooo~ amazing though, and they even covered a few famous songs such as Lady Gaga's "Paparazzi," and Brittney Spears' "Gimme More."
Another is Ayreon/Arjen Lucassen/Star One. They're all composed by the same guy. He's created songs from Heavy Metal to Folk Music. There's rarely a song I couldn't reccomend, and most of his albums are concept albums (for those not familiar, an album that is more or less an album wrapped around a story.)
Last, Celldweller. An electronic/rock one man band. This is a man I aspire to be one day. You may have heard his music somewhere, but you couldn't put your finger on it. Well, mostly he's used his tracks in video games, commercials, television shows, etc. so it's no wonder that you may have heard the tune somewhere. One of the more famous ones songs is "Shapeshifter" which was used in a Need For Speed game.

Let's see....ItaloBrothers, The Devil Wears Prada, Dead by Sunrise, Fort Minor, The Calling, Crazy Town, Deadmau5, Mudvayne, Nightwish, Red.

That's the big ones from out of my library that I think most people may not have heard of.....

65daysofstatic... also i have to say, thiswilldestroyyou and virt. check them out.

Most people I know are familiar with Nightwish, but that may just be the company I keep. I only have one album of theirs, Once. I hear Oceanborn is the best one.

Dark Passion Play is good as well.....(Nightwish album)

Don't think I've heard of that one. I looked the band up for a school assignment on finding random Nordic thing to chat about in class (went with Apocalyptica, ultimately). Did the vocalist change?

My favourite song of theirs is Ghost Love Score, which I think I got separately from somewhere. Another one would also be the one that I think is in Finnish that I can't spell much less pronounce.

I'm fairly certain that the vocalist didn't change. My favorite song of theirs is Whoever Brings the Night....though Last of the Wilds is a close second.

i recently found this song called fireflies by owl city. i love the song but never heard of them before.