About us is a web site dedicated to the study and practice of music theory. We are part of the Internet community since January 1997. has been developed by José Rodríguez Alvira as a complement for his courses at the Conservatory of Music of Puerto Rico.

In 2006 received the MERLOT (Multimedia Educational Resource for Learning and Online Teaching) Classic Award in music and has been peer reviewed by the organization. The following articles and sections has also been peer reviewed by MERLOT:

  •   Background of Music
  •   From Creation to Release
  •   Instruments’ Origin
  •   Musical theory
  •   Writing Papers
  •   Various

Our exercises and tutorials are part of the first and second edition of the book From Sound To Symbols by Micheal Houlahan and Philip Tacka published by Oxford University Press as well as the book Stradivari by Salvatore Accardo, Luigi Fiorentini, Gabriele Giacomelli and Paola Lenzi published in Italy by Bompiani. Our website is used by conservatories, universities and music schools in North, South America and Europe. is always under development. If you like this project you can help in several ways:

  •   Sending corrections. Any correction is welcomed. Specially English language corrections since our main language is Spanish.
  •   Creating link to our pages from other sites like Wikipedia or others.
  •   Talking about us in social media.

    By visiting regularly and telling your friends and fellow musicians about us…