How to narrow the Music Track

i got question about pond 5
i see people post stuff with Music/X
like (music/Acoustic guitar or Music/Drums) How can I do this for my Music?

https://www.pond5.com/royalty-free-music/204016526
Up here you can see in the top right it says just Music/

https://www.pond5.com/royalty-free-music/item/116432902-swarm-dark-mystery-action-thriller-movie-trailer-music-cinem

comparred to this one where is says Music/Horror music