Today, Friday, November 8, the stars of the upcoming Disney+ series a?oeHigh School Musical: The Musical: The Seriesa?? a?' Joshua Bassett (a?oeRickya??), Olivia Rodrigo (a?oeNinia??), Sofia Wylie (a?oeGinaa??), Matt Cornett (a?oeE.J.a??), Dara Renee' (a?oeKourtneya??), Frankie A.  Rodriguez (a?oeCarlosa??), Julia Lester (a?oeAshlyna??) and Larry Saperstein (a?oeBig Reda??) took the stage at Good Morning America for an exhilarating performance and a chat with creator / executive producer Tim Federle.