Need some advice picking a good domain name

I’m plan on starting my own blog to post and collect my film scores on but i’m having trouble finding a suitable domain name.

Is soundtracksea a suitable domain name? Or perhaps scoresea? The design will be sea related that’s why the "sea" and so many other good names are already taken.

If you’re curious what it will look like, i’m going to use this temple I think – Something Fishy | An animated undersea theme with a fun, whimsical design (http://somethingfishydemo.wordpress.com/)

Any advice would be most welcome!

Edit: I have now found a better theme, damn.. now I don’t know really know a good domain name.

Not sure if want to share music or just review so the name could also depend on that decision… I guess no one would figure out what the blog is about if I call it penisnose!