He is most known for singing the first, fifteenth, nineteenth (with Kishidan), twenty-second and twenty-sixth opening themes of the popular anime series One Piece.

Hiroshi Kitadani began his singing career in 1994 as a member of the musical trio called Stagger.

[3] From then on, Kitadani became a prominent figure in the anison industry, but he was not singing many theme songs regularly like his peers in the group.

He has also participated in Animelo, an annual summer anison music festival where JAM Project is a recurring guest.

He also collaborated with Aki Misato to produce anime theme songs, forming a group called SV Tribe along with Masaaki Endoh.