: Websites like MIDIWorld, MIDI archives on GitHub, or various music production forums often host collections of MIDI files. You can search these databases using keywords like "Binary Finary 1998 MIDI".
The main riff of 1998 is a specific pattern: B, F#, G, A, B, A, G, F# (octaves vary). A bad MIDI will miss the octave jumps. An "extra quality" MIDI will use proper note ranges and legato phrasing. binary finary 1998 midi extra quality