This is a great windows 95, 98, 2000, ME, XP, software for manipulating mp3 and mp3pro files. Split those large files into smaller ones, or Join all those small files into one or several larger more manageable files. Join mp3 files with different sample rates. Ex: Join a file of CD quality (128kbps) with a file of FM radio quality (64kbps). No quality will be lost and no size increase will occur. Join mp3 and mp3Pro file formats. No loss to quality, and no size increases. Easy to use, and comes with structured winhelp files.