Music Theory Online is one of the flagship journals of the Society for Music theory and has been in continuous publication since 1993. The journal was launched experimentally in March of that year, after which issues 0.1 through 0.11 were published. Its permanent status was marked in January 1995 with the publication of Volume 1.1.  MTO is a peer-reviewed, open-access journal, and is indexed in RILM, Music Index, and other periodical indexes. MTO is accessible free of charge online. If you value MTO and other free SMT services, please take a few moments to join SMT. Membership grants a number of benefits which non-members do not enjoy.