Ripped from the game, every instrument replaced with trumpets, all supplied with the soundfont of route 110. The video does not contain the sound effects, nor the entire Firered/Leafgreen soundtrack that are also included in Emerald. I do have them all trumpetized, but they make up 3 times as many individual files than the main soundtrack, that i all would need to record to .wav and then put together. Edit: Battle! Deoxys was a popular request in the comments, so i made a separate video for it:
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