1. Denis Arnold (Ed.). 1984. The New Oxford Companion to Music. Oxford University Press Oxford. Denis Arnold (Ed.). 1984. The New Oxford Companion to Music. Oxford University Press Oxford.
2. Gianmario Borio. 2016. Musical Listening in the Age of Technological Reproduction. Routledge publishing. Gianmario Borio. 2016. Musical Listening in the Age of Technological Reproduction. Routledge publishing.
3. Judith C. Brown. 1991. Calculation of a Constant Q Spectral Transform. Journal of the Acoustical Society of America (1991). Judith C. Brown. 1991. Calculation of a Constant Q Spectral Transform. Journal of the Acoustical Society of America (1991).