He has over a dozen commercial recordings to his credit including well known and respected performances of the organ works of Bach, Brahms, Liszt, Petr Eben, and Jean Langlais.

For 25 years, Mardirosian served as a critic for Fanfare Magazine, the leading recording review journal in the United States, and for 26 years he has written reviews of recordings, scores, books, and New Media for The American Organist for which publication he continues to write his monthly editorial column, Vox Humana.

In 1993, he traveled to Stockholm, Sweden, under the auspices of a grant from the Swedish Institute, to research and write about the music of Otto Olsson.

[3] His releases include two masses of Orlande de Lassus with the source motets, in which he conducts the Choir of the Church of the Ascension and Saint Agnes, Washington, DC.

He has also recorded a collection of organ suites, music of the late Czech composer, Petr Eben, and the Bach, Clavierübung, Part III.