It sounds like you're looking for the game — specifically, how to get the song "Close to Me" (by SaberPulse, featured in the game) as a downloadable file, or how to access it within the game.
Would you like a direct link to the soundtrack on Bandcamp or Steam? close to me just shapes and beats download
If you see a site offering "Just Shapes & Beats Close to Me download" for free, it’s almost certainly a scam or virus. Stick to official stores. It sounds like you're looking for the game