Good free reverb plugins in AU/VST/MAS. 8 Free Plug-ins for GarageBand. Getting started Even though Apple's GarageBand for Mac has all sorts of built-in instruments (and a smaller complement of audio effects), it has always been expandable by adding Audio Unit (AU) plugins.
Besides the vast assortment of commercial plugins, there is also a treasure trove of free synthesizers and effects that will really inspire your creative juices. Audio Damage // Rough Rider. Rough Rider is a modern compressor with a bit of "vintage" style bite and a uniquely warm sound.
Perfect for adding compression effects to your drum buss, it also sounds great with synth bass, clean guitar, and backing vocals. Definitely not an all-purpose compressor, Rough Rider is at its best when used to add pump to rhythmic tracks. Of course, you can use it however you'd like.