Ranma ½: DoCo Music Video
Genres: Comedy, Slice of Life
Type: OVA, Episodes: 1
Aired: Aug 19, 1995
Studio: Kitty Film Mitaka Studio
Source: Unknown
Rating: PG-13 - Teens 13 or older
Synopsis:
This was a collection of the opening and ending OAV themes performed by DoCo, the musical group made up of Ranma ½ cast members. Also included is an interview with the cast during their recording of the "Tunnel of Lost Love" OAV. The interviewed voice actors included: Kappei Yamaguchi, Megumi Hayashibara, Noriko Hidaka, Keniichi Ogata, Minami Takeyama, Kikuko Inoue, Ryunosuke Obayashi, Hiromi Tsuru, Rei Sakuma, Toshikiko Seki, Miyoko Asou, Koichi Yamadera, Hirotaka Suzuoki, Saeko Shimazu, and Shigeru Chiba.

(Source: furinkan.com/ranma/anime/specials.html)