Half a century ago, adding a reverb to a mix meant you might have to occupy the nearest bathroom with some speakers and microphones. Now we can now simply load up a plug-in and make a sound appear to exist in whatever space we like. We've come a long way. Many people remember the joy of that first moment they strapped a reverb plug-in on a track, but what is the most effective way to apply reverb? How do we use reverb to make instruments blend in a mix? Let's explore this staple effect and find out the most effective ways of using it in a mix.