Minecraft Note Block Command Block Cover of Super Mario Bros' Overworld Theme

Overworld Theme played and visualized in Minecraft!

The whole video and audio is 100% played in Minecraft. No mods used.
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The note block sequence and visualization were made using Python scripts I wrote. Note block sounds could only reach two octaves, so using bass, harp, and bell, I can have six octaves.
Note block sounds, F#1-F3 are bass; F#3-F#5 are harp; G5-F#7 are bell.

The song's speed was adjusted with Minecraft's maximum ticks per second (20) so that the song's 16th notes aren't offbeat.

I used the /function command in Minecraft to execute 1000+ commands to play sounds and create visuals.
MC.Synth is just the name I came up with for the Note Block Command Block cover series.