With the Focusrite, be sure you are using the latest ASIO driver for that interface.

Set the buffers and latency as needed. In my system , the default settings were just fine.

The key is the ASIO driver and the settings for the buffers and latency.

You can find my music at:
www.herbhartley.com
Add nothing that adds nothing to the music.
You can make excuses or you can make progress but not both.

The magic you are looking for is in the work you are avoiding.