うたたP
Preview this chart online, switch difficulty, adjust playback speed and share a playback position. "幸せになれる隠しコマンドがあるらしい" is an AstroDX chart by うたたP, archived under the "maimai MURASAKi PLUS / SD" branch, genre niconico & VOCALOID, BPM 142. This archive lists 4 difficulties (levels 6.0–14.0), including audio, a jacket image, a music video, available to browse and download.
