I just got some unexpected good news regarding the music of Interstate '76 Arsenal
I asked about it in the Interstate series forum over two months ago and got a reply by our fellow GOGer Pamphagus. According to their reply here
, the music can be found in MP3 format in the following folders:
Interstate 76 Arsenal\Interstate 76\music
Interstate 76 Arsenal\Interstate 76 Nitro Pack\music
Thanks again to Pamphagus!
Thanks to you both for that, I've added that as the default first choice for the soundtrack, with a link back to your post.
Also added the following titles, none of which include a soundtrack: