When investigating the MusicNet dataset in my latest answer, I want to get my hands dirty with MIDI again. It has been decades, so there must be new software out there. Can anyone here give me recommendation for a Windows-based MIDI sequencer/editor?

My primary criteria has to be one that provides low-level details, similar to a Hex Editor, so that un-interpreted aspect of the MIDI message can be edited in the raw. Another is that it can act as a VST host. A nice-to-have is being able to view the score for each track (or even edit!), with the ability to see associated MIDI parameters with a note head (maybe by hovering over it).

Found this list. I already use MuseScore for notation software, maybe I need to look into its MIDI ability.