"MIDITrail" is a MIDI player which provides 3D visualization of MIDI datasets.
You can enjoy not only listening but also viewing.
MIDITrail supports SMF format 0/1, and multiple MIDI ports.
MIDITrail is available for Windows, macOS and iOS.
The update is great, but there are a lot of problems.
When playing a song with at least 750,000 notes, sometimes the song will crash and will require a relog for it to work. Instead of leaving the app, it gives me an error message and it makes the entire program useless until relaunch.