Live Arranger Mode was a 2011 post in the wishlist.
It has been asked for many times over the years.
This is another reason for direct play, if Biab just loads the RT data from the selected style then plays back the inputted chord direct from the RT's on the hard drive.
Biab already has midi keyboard chord input (see pic) so when a chord is played on the user's keyboard it could play that chord directly from the location in the source file.
If a new chord is not entered it will loop that same chord section again or another one with the same chord.

I tried this in Reaper and it all just works playing the files direct from hard drive without a glitch, as I change the input chord it will play that section in the files on the USB drive.
It can change on the next beat or at the end of a bar.

Rather than choosing chord sections from the source files to join together in RAM then play,
it will choose a section for the currently inputted chord, go straight to it and play.
This is what it is doing in the video Play-Direct-Arranger.mp4 they are 24bit 48khz files on a USB drive.
Biab could do that and be a live Arranger, I think Yamaha have audio drums but I don't know if they have audio instruments yet.
Biab could be then used with a laptop and the user's keyboard.

This Play-Direct-Arranger-BBvst.mp4 is using 2 BBPlugins to get a verse ending and chorus ending in the other.
It is playing the files back direct from the SavedTracks folders.
So Biab should be able to play the RTs direct and live.


It has been implemented into JJazzLab in the same year:
Originally Posted By: chrisroode
Jun 14, 2021 at 10:39pm Hello, just discovered this software...perfect for my teaching job! Anyway....Is there a way to have JJazzLab recognize chords from a midi input?

I only need (literally) the same thing those casio keyboards do, where I can play a C maj chord, and the accompaniment instead switches to C maj. Then when I play an Fmaj chord (even in 2nd inversion) it will switch to that.

I'm planning to use this software for echo playing of rhythms and melodic passages to teach beginning band kids. I like to have the chords change with what I play, but there is no specific form to what I'm doing...so if say the kids mess up a measure that goes Bb, F7, then I want to be able to repeat that on the fly, and I can easily do that if I am at a keyboard and just hammering out the melody on the right hand and playing block chord changes on the left.

Summer break is coming, and if this is not something available, I am willing to fork and make it...

Originally Posted By: Jerome
Oct 1, 2021 at 4:26am @chrisroode I've implemented it in JJazzLab 3.0, to be released in november probably.

There is a slight delay (<1 sec) when you change the chord on the keyboard to get the backing track updated, so it's not pure real-time like vArranger, but it should not be a problem for your use case.