MxLauncher is a small utility to launch Samplitude or Sequoia at your chosen higher priority, monitor and keep it at that priority, and then close when the application closes.
Full instructions in the included ReadMe.
Downloads (v1.0 - 27 December 2019) MxLauncher_v1-0.zip
This is pretty heavily tested but as always, use is completely at your own risk.
Please see note on malware detection's.