
'Supergirl,' 'Flash' Musical: Darren Criss Is Music Meister
Long before Flash and Supergirl confirmed their musical crosover “Duet,” fans pointed to the shared Glee past between Grant Gustin and Melissa Benoist as proof of concept. Now, their Music Meister fittingly hails from the same hallowed halls, as Darren Criss signs on to musically menace the Super-duo.