The Sesame Workshop paid tribute to McGrath’s nearly five decades on the show in a thread on Twitter.“A founding cast member, Bob embodied the melodies of Sesame Street like no one else, and his performances brought joy and wonder to generations of children around the world,” the statement read in part.“We will be forever grateful for his many years of passionate creative contributions to Sesame Street and honored that he shared so much of his life with us.”McGrath appeared in the “Sesame Street” pilot in 1969 and went on to work on 47 seasons of the show as Bob Johnson, departing the series in 2017 but still representing it at various events in recent years.McGrath helped make several of “Sesame Street’s” best known songs – like “People in Your Neighborhood” and “Sing a Song” – memorable childhood staples.You did good.”“You can’t help but be influenced by all of the wonderful research and good messages that are shown on ‘Sesame Street,’” McGrath said in a 2015 interview about some of his takeaways from being on the landmark program."