He studied composition with Yasuo Sueyoshi, Klaus Huber and Salvatore Sciarrino, computer music with Philippe Manoury, and organ with Zsigmond Szathmary.
In addition to taking 1st place in the 1991 Valentino Bucchi Composition Competition, 2nd place in the 1992 International Composer’s Competition "Kazimierz Serocki" and has been awarded numerous other prizes at home and abroad.
Gondai has researched musical space as a rite grounded in Catholic religious belief. In recent years he has collaborated with the Buddhist priest Shomyo chanters and broken new ground through interchange with Buddhist music.
He has also been active as a concert producer. Further, beginning with MERZBOW of noise music, he has engaged in many collaborative projects with filmmakers, dancers, choreographers, and architects. In 1999 he released the first CD of his own collected works, "ritratto rosa." In 2000 he delivered lectures at Victoria University, Wellington and at Auckland University in New Zealand. In 2003 he stayed in Bergen, Norway as an Artist in Residence and had lectures at the the Grieg Academy of the University of Bergen. He is currently based in Kanazawa and Paris where he works on composition projects.