While I agree this function is better for most users in a DAW, let me make a case for adding it into BIAB.

1. BIAB used to support this concept with the Frontier Design Tranzport
2. BIAB 2022 has already added better control of volume curves
3. BIAB has already added many more tracks
4. Providing fader control of those volume curves is the natural next step

For anyone who may not know what we're talking about, with a MIDI Control Surface, you set the track(s) you want to record levels on (arming the track for automation) and then, as the track(s) play back, you ride the fader control(s) to adjust the volume. Once your volume curve(s) are recorded, the song will now play back with the adjustments of levels you have added. Any good commercial DAW can do this.

However:

I'm a composer and arranger, and I do orchestration. I am constantly tweaking my songs, so I don't do much post-production (what is best done in a DAW to produce a radio-ready mix). I just make composer demos that the bands I play in can learn from before we perform the music live. It's very likely that, after a rehearsal, I come back to the song to make adjustments. So, I want to stay in BIAB as long as possible. I have the audiophile version because I am more inspired by having the best sound available as I compose. The natural next step is to be able to use faders and automate the volume curves so I hear all the tracks in my songs as I want them, while I am still composing them.

OK, so the way I use BIAB maybe doesn't apply to a large number of people. I get that. And I'm no fan of feature creep. But if BIAB users had a MIDI Control Surface and could easily do volume automation, I'll bet they would find it very useful, even essential. The Mackie Control standard would be sufficient; all the popular brands can emulate that. You'll see in my signature I use a Presonus Faderport 8. For BIAB, it just sits there unused.

Thanks for listening.

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BIAB 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Presonus Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.