To answer the question, consider the following: Feist performed an alternate version of "1234" on Sesame Street during its 39th season (2008), teaching children to count to the number four.is the reasoning for what question and answer pair?
Q: Feist performed an alternate version of "1234" on Sesame Street during its 39th season (2008), teaching children to count to the number four. She said working with the Muppets was a career highlight.

Based on this passage, who sings the 4 song on sesame street?
A: Feist