Unverifiable fabric might be challenged plus detached. Most of his pieces include piano, accordion, melodica and violin, though many offer a a great deal wider selection of instruments and sounds. Tiersen favors the piano, accordion, plus violin, but is too known intended for his experimentation plus use of difficult to understand instruments like the ondes martenot and the typewriter. Yann Tiersen's catalog of collaborators continues to grow album following book (see discography below for details). His 2005 book, Les Retrouvailles, featured vocals as of Stuart Staples of Tindersticks, Jane Birkin, plus Elizabeth Fraser, formerly of Cocteau Twins.

His exist performances differ very much. Sometimes he is accompanied by an orchestra plus many guest collaborators, like Dominique A.