The Earth Day Concert was a DJ Duster concert that took place in Portland, Oregon.
In Don't Let the Bass Drop, Ben, Gwen, and Max were at this concert. Unfortunately for them, a villain that calls himself Lord Decibel attacked. Lord Decibel wished to take the Pacific Northwest into the ocean if they did not obtain 1 billion dollars. Fortunately, he was stopped.
- Don't Let the Bass Drop (first appearance)