MP3 files can played on many different types of software. Two popular examples are Microsoft Media Player and iTunes.
PDF files require the Abode Acrobat (TM) which can be downloaded free of charge .
Zip files need WinZip to extract the file.
Microsoft Media Player
MP3 Software players
Configuring your Web Browser to Play MP3
Adobe Acrobat Reader
PDF files require the Adobe Acrobat Reader which can be downloaded free of charge
Zip files need WinZip to extract the file
External links will open in a new browser window