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Maybe it works better on audio files than it does on midi?




Stan, it's called the Audio Chord Wizard. It won't work with midi. Biab or RB has had for years the the midi chord wizard. With biab you have to tell it in the midi import window to extract the chords while RB does it automatically. Depending on how the complex the song is the chords can still be off either way. Many times it's best to pick and choose the tracks to apply it to. If the piano part is complex, maybe the guitar part is simpler so try just guitar and bass. Some files the string section is the simpler part. These things are decent tools but nothing replaces your ears.
Many times if you're having problems with a song you can find the chords on the internet just by typing in the name of the song and the word "chords" then load the chords into Biab. Of course these are just things some random person posted on a website, they could still be wrong.
I'm sure you know you can change keys easily in Biab once you have the chords in. If you really have to, listen to the recording of the song with some headphones from whatever source while playing back Biab using your studio monitors and adjust the key sig until you find it. Of course if the recording is not exactly in tune and is "in the cracks" that can really mess with your head.
Again, it's really all about your ears, practice using Biab's ear training tool and none of these potential problems will matter.

Bob


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