Here is Out There, a blues on standard modern jazz blues changes, comprised mostly of rather harsh unresolved melodic tensions of various kinds. I used to play this for live WRVR broadcasts with Chet Baker a lot at our steady gig at the Half Note in NYC. It was our break tune.
It was written spontaneously in answer to a question regarding unresolved tensions while I was teaching an arranging class at Berklee College one morning in 1969. After I wrote it for the class in five minutes, I stepped back and said, "Damn, that's out there."
It is done often with straight-ahead blues changes, but I do have a few weird passing chords with specific hits for the head. I had a 5-horn arrangement for the NYC Baker nonet, with the hits voiced with prime dissonance, in contrary motion. While it is tonally ambiguous, to say the least, it works on one level because it is comprised entirely of jazz clichés--especially rhythmic.