Only the current version so far — new entries appear as the app ships updates.
日本の童謡・わらべ歌2 おばあちゃんから子供まで知ってる名曲 is an education app by ゆめある with 10,000+ downloads (about 10K estimated). +2 installs in the last 7 days. Released Apr 13, 2016. Install growth, rank history, SDKs and ad networks.
From the store listing: “"Spring has come", the famous nursery rhyme, such as "home" has entered eight songs.”