NEW YORK (AP) — Gwen Stefani will sing about being a good friend and Nick Jonas will sing about shapes on the upcoming season of “Sesame Street.” Pharrell Williams, Fifth Harmony, Ne-Yo, Sarah Bareilles and Aloe Blacc will also appear on upcoming episodes. Under a new agreement, the new season of “Sesame Street” will premiere on HBO on January 16, then run on PBS next fall.