The ACW is useful but tricky. What you're trying to do is extract chords from an audio file. It's hard enough with a midi file where the program can identify exactly what the notes are. In an audio file the program is attempting to first identify actual notes hiding inside drums, percussion, vocals and other musical elements and then using an intelligent algo extract what it thinks the chords are. It's not easy and there lots of mistakes made. That's the bad news. The good news and what you should focus on is the ACW is still a pretty good tool. When you transfer it into Biab it has the entire layout of the song saving you tons of time entering all that into Biab one bar at a time, then it gives you chords and even if they're not all correct it's still a great starting point and you can make whatever corrections you need. It's still better than trying to get it all by ear and then entering it step by step.

The accuracy of the chord detection depends on how complex the source music is. If it's a basic 3 chord country trio it will be pretty good but if it's a complex Tower of Power piece or some Manhattan Transfer type jazz tune with 5 part vocals, keyboards, vibes, horns and lots of polychords with harmonized bass lines then not so much.

Bob

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