Originally Posted by DrDan
Good discussion topic. I only wish this was better understood by all, including me.
Here is what GPT says.

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Almost good information but look closely and the Chat GPT is referring to Artist Performance Tracks that are prerecorded tracks by professionals for PG Music - Not a user created Artist Performance File. They are not the same.

They are the same but different. They are created exactly the same but serve different purposes to BIAB projects. Artist Performance Files are utilized in projects more as a UserTrack. They were introduced in 2011 along with the Record Audio feature. At that time, Legacy Tracks could not contain audio. The APF was how audio files could be converted so that any Legacy Track (except drums if I recall) could contain audio. This freed up the Legacy Tracks to be used to record new Midi or RealTracks and provide SGU files with more than just the 7 available tracks and single audio track. The Audio Track, while the only track for recording audio into BIAB, the recorded audio could be converted to an Artist Performance File and moved to another available Legacy Track resulting the one audio track could be used multiple times in a project.

The BIAB Mixer functions as a MultiTrack Recorder and back in the old times, audio engineers/mixer/ producers would use a 2nd recorder to bounce tracks to so that more tracks could be recorded than the main recorder had. For instance, a four track like the Beatles used in their early records, while recorded on a 4 track recorder, engineers used a 2nd recorder to mix and bounce the original 4 tracks to a track on another recorder and free up channels by erasing the audio from those tracks and recording new material. The Artist Performance File served the same function in the BIAB Mixer.

BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.