I know of 7 MIDI plug-ins for use with Netscape. I have only tested these on a Power Macintosh. I am in the process of testing Headspace's Beatnik , Apple's QuickTime 2 plug-in and Wildcat Canyon's Webtracks . Here are the main features, pros, and cons and are valid only for the versions tested. I am only testing the MIDI features, not any other formats that the plug-ins may play.
Notes follow the table.
My aesthetic judgement call. None of these will win you a Grammy. Some instruments don't sound bad, but some sounds are pretty cheesy. This means that pieces composed for the Yamaha may not sound right using the other plug-ins and vice versa. This is the default if the webmeister did not specify the LOOP attribute in the HTML code.