MP3.com is a source for MPEG Level 1, layer 3, audio format files and information.
Excessively Detailed Installation and Operation Instructions
1) Drag the "MP3.src" plug-in file into the "Internet Search Sites" folder in your Mac OS 8.5 (or later) System Folder. You do not need to restart your computer.
2) If Sherlock is currently open, quit it.
3) Open Sherlock (either from the Apple menu, or by selecting "Findノ" from the File menu in the Finder.
4) Click on the "Search Internet" panel.
5) Activate MP3 searching by clicking in the checkbox next to MP3.
About Sherlock
Sherlock is the extended find tool built into Mac OS 8.5. With Sherlock you can search the internet for information using a consistant interface.
You can get more information about Sherlock and Mac OS 8.5 from Apple's website: