It seems like the CW is the go to place for musicals lately. Not only are they still super jazzed on "Crazy Ex Girlfriend" (and after seeing Rachel Bloom in "Crazy For You, you would be too), this week on their super hero shows they are doing a musical crossover episode on "Supergirl" and "The Flash". Darren Criss is playing the "Musical" villain, and both shows are using their full rosters of Broadway talent.
Melissa Benoist, Jeremy Jordan, John Barrowman, Victor Garber, Grant Gustin, Jesse Martin...I don't watch these regularly but I'll give these a look. I hope they are as good as the "Buffy" musical episode, (that's one of the top 5 "Buffy" shows of the whole series.
Fun fact: The villain Darren Criss is playing was originated by Neil Patrick Harris on a 2009 episode of Batman: The Brave and the Bold. Here is his duet with Black Canary: