Your media player.

I switched to iTunes after Winamp deleted my library for the second time, meaning the files remained on the disk, but disappeared from the Winamp library. I could forgive it the first time, but not the second... As a result, on Major's recommendation (why did he think I rarely visit here?), I started using this program. At first, it seemed unfamiliar and inconvenient, but since there were no alternatives (AIMP seemed even more inconvenient), I had to use iTunes. And it's fine; after organizing my music and figuring out the interface, I use it without any problems. I have nothing against Winamp, but its album art handling is poorly implemented compared to iTunes, so I don't want to go back to Winamp, although it certainly has its advantages.