What are some alternatives?
When comparing RealPlayer and Clementine, you can also consider the following products
MPC-HC - MPC-HC, the free, open source media player for Windows. DownloadsNote. Supported Operating Systems: Windows® XP SP3 .
foobar2000 - An advanced freeware audio player for the Windows platform.
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
Windows Media Player - Get information about Windows Media Player and other Windows Media technologies.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Media Player Classic - Download Media Player Classic 188.8.131.52 [2011.04.11] : Media Player Classic (MPC) comes with a big load of extra features you will enjoy