The Pokémon Original Soundtrack (1997-2010) songs I have uploaded were fetched from a CD.

Please excuse any title inaccuracies as the titles were originally in Japanese

TVアニメ　ポケットモンスター　オリジナルサウンドトラック　ベスト　1997-2010 DISC 2

Fight! Ancient Pokémon - 2002-2005(AG)-M24

I don't make music, however if you need to find any (non-copyrighted) songs, I can do that for you and upload it here and archive.org.
https://www.youtube.com/channel/UCm30A1-Kxmmz5pnYhgxSi2Q

Fight! Ancient Pokémon - 2002-2005(AG)-M24

hyperyog