TuneUp Media | 244 followers on LinkedIn. WHO WE ARE TuneUp Media was created for music lovers, by music lovers, with the sole purpose of creating a better digital music experience for everyone. Our flagship product has quickly become the #1 selling plug-in for iTunes (though we also love and also support Windows Media Player), and has amassed millions of registered users worldwide. We're constantly striving to create new ways for us all to get the most out of our music.