Sesame Street will continue its tradition of featuring celebrities and artists on the show this year.  The 43rd season of the highly popular children's show will begin September 24th on PBS.  In addition to the celebrities, show creators have replaced the "Elmo's World" segment with "Elmo: The Musical".  This new feature will be an 11 minute segment centered on math that will have children singing, dancing and playing along with Elmo and math games.  Along with a couple of other new things, Sesame Street will continue its tradition by showcasing high profiled artists and celebrities on the show.

Entertainment Weekly reports that Train and Colbie Caillat will be among the musical guests that will be appearing on the show.  Train will be appearing with Elmo and The Count performing a song called "Five By", which is a parody of Train's song "Drive By".  The group will be singing about finding the right amount of something with The Count and Elmo.  Colbie Caillat's role hasn't been released just yet.

Other celebrities scheduled to appear on the new season of Sesame Street are Halle Berry, Steve Carell, Zac Efron, Casey Affleck, Maya Rudolph, Kristen Bell and more.  Sesame Street will also feature its characters in a spoof of NBC's "The Voice".