Sorry, I should have been more specific. At about 10 seconds in, the music in altirra sort of blanks out, but in the real hardware it play a few decending notes. That's it really. I like the music almost as much as I like the game! It's very iconic.
Hi. I just registered to say the music at the start of AirStrike II still isn't correct! ( AirStrike: http://www.atarimania.com/game-atari-400-800-xl-xe-airstrike-ii_158.html ) You'll hear it at the start of this video: