Uno Dos Tres
From Muppet Wiki
"Uno Dos Tres" is a Spanish counting song which has been performed multiple times on Sesame Street, often by Maria.
The song is performed by Maria with help from Alan and the Kids in the street story for Episode 3952 as everyone counts monsters who move their way down Sesame Street. They include Herry Monster, Zoe, Grover, Merry Monster, Rosita, Elmo and Lulu.
