I get to 50 seconds with my brand new system:

Intel Core i7-6700k 4Ghz (not overclocked)
32Gb RAM (DDR4, 2100 mhz)
Samsung 950 Pro 256GB M.2 disk
Focusrite Scarlett 6i6 external USB 2 soundcard
Windows 10 64-bit
532 samples
44,1 khz

In retrospect it seems I should have bought a 6-core CPU...

Gorgon wrote:Probably has something to do with how Reason handles multiple CPU code and the difference with how Windows handles multiple CPU code.

It must be something like that. It works for now, until Propellerhead fixes this. Thans for your great help Gorgon!

Setting the CPU limit to 'None' indeed solves the problem. Which is weird because I can't imagine this song putting this machine's load above 95%
Windows' performance monitor shows that the load almost never gets above 30.

The CPU is an Intel Core i7-6700K indeed. Settings: - Windows: Power options to 'high performance' - Reason: 'use multi-core audio rendering' - Reason: 'CPU usage limit' set to 95% - Reason: 'Buffer size' set to 133 - System: CPU cooling: Scythe Mugen 4 PCGH My song has 19 instruments, which otherwi...

I just bought myself a state of the art PC to handle every possible Reason song: Intel Core i7 4Ghz 32Gb RAM (DDR4, 2100 mhz) M.2 disk Focusrite Scarlett 6i6 external USB 2 soundcard Windows 10 In theory this is about as good as it gets. Still I get the "computer too slow to play song" warning with ...

Thanks for the excellent answer!

I can't find the midi controller nr. of the Thor Pitch Bend wheel in the official 'Midi Implementation Chart' http://cdn.propellerheads.se/Reason8/Manuals/Reason_83_MIDI_Implementation_Chart.pdf Is it at all possible to control that wheel by midi? I would assume so since any old midi controller with...

Place both (or more) instruments into a combinator with a 6:2 Mixer. Then you can adjust the key range for each instrument in combinators programmer That did the trick, thanks! that is key range splitting of multi instruments not multiple instruments playing at once as in splitting the midi to seve...

Joerg wrote:Place both (or more) instruments into a combinator with a 6:2 Mixer. Then you can adjust the key range for each instrument in combinators programmer

That did the trick, thanks!

But they should go to both instruments. So overlaping the keyranges should do the trick?

I meant that I want the same not to go to both instruments.

How can I play multiple instruments at once? Say I want to play a Thor and a Malstrom with one keyboard, how can I route midi to both instruments?