It’s the cymbal’s evil third cousin. It’s the dark ring that pounds in the back of your brain and lets you know, it’s time to rock. The cowbell is an instrument that can’t be overused. It should never be underused. Many great rock and roll songs are perfect because the cowbell is used just right.
They have an extensive database of songs that feature a cowbell. I don’t remember a cowbell in Rush’s In The Mood.