Two tracks I know, big label releases, stand out for consistently sounding OK on speakers, but are challenging to listen to on many headphones and IEMs, but not all. If you want to, take a listen on your favorite headphones or IEMs. Or suggest tracks that similarly challenge IEMs and headphones if you have found one.
Slayer - Snuff [Genre:Trash Metal]
Red Hot Chili Peppers - By The Way [Genre:Alternative Rock]
Slayer - Snuff [Genre:Trash Metal]
Red Hot Chili Peppers - By The Way [Genre:Alternative Rock]