HP MediaSmart Music Application Update - Version 4.1.2.4321 HP MediaSmart Music application update resolves an issue with Spanish UI when Catalan, Basque, or Galician is set as the display language.HP MediaSmart Music application update by Hewlett-Packard Development Company, L.P., is a useful tool for audio file management. This package provides the HP MediaSmart Music Software for supported notebook models that are running a supported operating system. The HP MediaSmart Music Software enables users to manage, burn, and play music in different file formats, such as .mp3, .wma, .wav, .aac, and .m4a.