Have you heard this before?

I'm sketching out a piece that sounds more and more familiar to me...if I've unintentionally copied the chord structure I don't want to continue working on it.
Several years ago I had realized mid way through a piece I was working on that it was from the movie "Exodus" I had seen as a kid.
Thanks,
Randy
http://soundclick.com/share.cfm?id=13165811

Nothing springs to mind. Very nice sounding piece so far though.

no hint of a plagiarized song here. 

Thank guys, that's good enough for me coming from 4 musicologists 

I feel sure you've studied/analyzed music much more than the average bear Bapu...your opinion is respected and appreciated bud.
Thanks again everyone, I'll try to remember to post the finished piece!

 I like it, not familiar at all with it.

Ol pal, there is nothing new under the sun. Those ol twelve tones have been flogged for just about all they're worth. Quite literally everything references something else in some way or ways. Some more obvious than others but still derivative. Don't over worry about it...just enjoy (and continue to let the rest of us enjoy as well) your lovely song.

I am also pretty good at this, and I hear an original piece.

Interesting video, and your music goes well with it Randy. A great message to be broadcasting 

Something on the order of one to five billion songs have been written or sung or played. There is no way I know of to come up with a new chord progression.
Major artist have legal issues often over these facts.
 
Johnny Cash wrote Folsom Prison Blues.
"Cash took the melody for the song and many of the lyrics from Gordon Jenkins's 1953 Seven Dreams concept album, specifically the song "Crescent City Blues".[6] Jenkins was not credited on the original record, which was issued by Sun Records. In the early 1970s, after the song became popular, Cash paid Jenkins a settlement of approximately US$75,000 following a lawsuit."
 
Usher and Bieber as of late..
Not good news for Justin Bieber and Usher. A court ruled Thursday that the pair will have to face a $10 million lawsuit alleging copyright violation for “Somebody to Love,” a single off Bieber’s My World 2.0, according to Reuters. 
 
Sometimes people just steal stuff, sometimes people have no idea in there head that they are copying someone else work.
 
If I write a 1/4/5/ blues song that starts out with " Woke up this morning" is that stealing? Where you draw the line is not at all clear.
 
I used the bass line from Billy Jean to produce a cover of Big Boss Man. It has been on the market for over ten years and Michael Jackson's legal team has never call to gave me a problems. And for sure that album has only sold in the thousands so it is not a well know hit.
 
Bottom line, if you feel good about your music then do it. If you willingly use someone else work then be ready to talk to the wonderful legal folks...lol
 
Cheers,
 
Billy
 

Encouragement coming from you guys is so much more real and objective than from my family and friends (I could do a version of "Old McDonald had a Farm" made with fart noises and they'd say they like it).
Thanks again so much,
Randy 

Nice one, Randy!    I just listened to the Youtube version and like everyone else nothing particular came to mind - it was simply a nice instrumental tune with a clean and wide mix.