積乱雲グラフィティ (Sekiranun Graffiti)

Background
"Sekiranun Graffiti" is the opening theme of the video game Hatsune Miku -Project DIVA- extend. With music and lyrics by two of the most prominent VOCALOID producers, ryo and Dixie Flatline, the song is accompanied by a well-executed anime music video depicting Miku flying among clouds.

The official upload of the short version of "Sekiranun Graffiti" on SEGA's Niconico channel has entered the Hall of Fame; a YouTube reprint of the full video has become somewhat more popular, with over 700,000 views. The song was first released as part of the split single Sekiranun Graffiti / Fallin' Fallin' Fallin', along with its instrumental and a remix by baker. "Sekiranun Graffiti" was also featured on the album 初音ミク -Project DIVA- extend Complete Collection.

It is interesting to note that "sekiranun" translates to "cumulonimbus", a type of cloud that can develop into a supercell storm.