Tsuki no Sakura over 8 years ago This and further pictures seem to be a parody of a theatre (?). Here's the link mentioned in the description: http://kageki.hankyu.co.jp/elisabeth/Feel free to tag.
Rampardos over 8 years ago Couldn't find who Mokou was supposed to be from the Wikipedia page, so I'll leave the rest to someone who actually knows something about musicals.