Osu cowboy mail

You're referring to the iconic "Cowboy Mail" from the popular rhythm game osu!

For those who may not know, "Cowboy Mail" is a song by the artist "PillowP" that was added to osu! in 2014. The song is known for its catchy and upbeat melody, as well as its unique "cowboy" theme, complete with sound effects and a rustic, western-inspired aesthetic.

The song has become a fan favorite among osu! players, and is often featured in maps and replays. It's also a popular choice for speedruns and other competitive play.

If you're interested in playing "Cowboy Mail" on osu!, you can find the song in the game's song library or download it from the osu! forums. Just be warned: the song's catchy melody may get stuck in your head for days!