Mariachi tree

The mariachi tree was the result of Phineas and Ferb planning their day's activities after drinking too much chocolate milk. Phineas introduced it to Perry the Platypus as, "The latest party craze to sweep the nation."

It consisted of three guitarists, two violin players, two trumpet players and Ferb playing trumpet while sitting in the tree in the backyard. On the crescendo, all the musicians, including Ferb, fall to the ground in a pile. Phineas thanked the musicians, including one named Arturo, as they walk away presumably in pain. Afterwards, the boys build a haunted house to scare Isabella's hiccups away. ("One Good Scare Ought to Do It!")