Apple I
1200 Baud Archeology: Reconstructing Apple I BASIC from a Cassette Tape

The audio file that was posted two weeks ago is indeed a very important artifact of computer history: It is a recording of the “Apple I BASIC“ cassette tape that came with the Apple I. It is the first piece of Software ever sold by Apple (not counting computer firmware).
Puzzle: 1200 Baud Archeology
This audio file is an important (previously unreleased) artifact of computer history. The aim of the puzzle is to decode and identify it correctly.
Tool’s ‘Rosetta Stoned’ Live Performance to Include Apple I Schematic

It probably takes a geek in the front row (which is likely for a concert in San Francisco) to notice that the computer schematics Tool showed on the screens during their “Rosetta Stoned” performance are those of an Apple 1 – but distorted: