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Logic Pro 9.1 or MainStage 2 instruments in Pro Tools?
Old 20th April 2010
Here for the gear
🎧 10 years
Logic Pro 9.1 or MainStage 2 instruments in Pro Tools?

Greetings to the Group!

I'm a long-time Pro Tools user getting up to full speed with Logic Pro 9 (love Logic's instruments!)

Is there a way to send the audio (and/or MIDI) from Logic or MainStage 2 so that I can have the best of both worlds? For example, have a groove going in Pro Tools, and then keep listening to the groove, switch to an instrument in Logic and/or MainStage, choose a sound, and record it onto a Pro Tools track.

Is it ReWire? Bidule (don't know anything about it)? Any thoughts?

Many thanks,
Old 22nd April 2010
Lives for gear
🎧 10 years
The big issue is that the logic instruments are not plugins per se, but part of Logic's and Mainstage's source code. Bidule is a plugin host.

They are both ReWire masters and can't be controlled by other ReWire apps.

You may be able to use Jack OSX or Soundflower to route audio.
Old 22nd April 2010 | Show parent
Gear Maniac
🎧 10 years

I have managed to have Logic or Mainstage on my MBP controlled by ProTools on my G5 but only using external midi and audio interfaces linking the two machines.
I've not managed an internal link on the same computer

I have a feeling that PT will not 'play' with Jack or Soundflower

Old 22nd April 2010 | Show parent
Here for the gear
🎧 10 years

Thanks all for your responses. Still love to hear any input from others.

Old 23rd April 2010 | Show parent
Lives for gear
SKyflash34's Avatar
🎧 15 years
I've done this before. The only way this will work is if you have an interface
with multiple ins/outs to send/receive audio, or a separate fast interface
to run Mainstage if you use an LE system.

Enable the IAC buss in OSX Audio/Midi setup. You can route midi internally
between PT and Mainstage and the IAC will show up in both apps midi I/O.

Plug in a pair of 1/4 cables from an extra set of audio outputs on your interface
and plug them back into another pair of inputs...ie... outputs 3/4
or 5/6 etc back into inputs 3/4,5/6...dont matter which.

Go in and setup your instruments in Mainstage. Setup midi inputs and assign
them to the IAC Buss as an "interface"(I forgot how to set up this stuff in
Mainstage, it;s been a while. Check out the Manual if you're not sure)

Setup your channel strips in Mainstage to send audio out of the outputs 3/4,5/6
that your patch cables use.

Go into PT and setup your midi track's output to the IAC buss.
Create an audio track to record your incoming audio from Mainstage to.
Assign that track's input to whichever inputs 3/4,5/6 your patch cables use.

if all goes well, your midi will play back in PT,send out over the IAC buss
and into Mainstage and trigger your VI's. Then Mainstage receives the midi
data and send the audio out over your patch cables and into Pro Tools
ready to record as audio. MAKE SURE you DO NOT assign the same inputs
and outputs on the audio track in PT!! You will get NASTY FEEDBACK!!

Word of warning: Make sure you have a lot of RAM and fast CPU's
Both apps are pigs and will hog up a lot depending on how many VI's
you have running and how many plugins you have in your PT session.
It would be a good idea to disable/bypass your FX until you track the
Mainstage VI's. You might have to adjust the midi timing on your PT
tracks,though it shouldn't be that different/worse than tracking an external
hardware synth. it all depends on your buffer settings and what you
can get away with without getting errors.

I did this with Pro tools Mpowered 7.4 and Mainstage 1.0 using my
Project Mix I/O. It was easy for me as the PJ mix drivers can be shared
between both apps running at the same time. I've never used an LE system
though and I have no idea if the Digi002/003 drivers allow sharing.
My guess is that there will be added latency using the Digi Core audio
driver and thus probably won't even work simultaneously.

You can also use another interface on another buss or even use your Mac's
built in audio output to run Mainstage. Another interface would allow
multiple audio paths to be patched,thus allowing you to record multiple
VI's in one pass,as long as it shared your FW/USB bandwidth nicely and
proving you don't have any grounding issues patching the 1/4 cables.
Old 7th February 2014
Gear Head
dred's Avatar
🎧 10 years
Sweet. But is there any way to use Mainstage as a Midi Instrument in PT?
πŸ“ Reply

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