Insert crickets chirping

As I mentioned, I am obsessed with the sound buttons on my desk. That's What She Said, That Was Easy and What the Eff?! Thrilled to find that there are a billion other ones I can add to my collection:
http://www.officeplayground.com/Sound-Effect-Machines-Buttons-C389.aspx

Of particular interest, the crowd booing and the lion roar. What - no seal bark? No sneeze? (Actually, these probably do exist somewhere.)

Someday, I will finally live out my dream of never having to speak and only communicating through buttons.