| Name | Site Address | Description |
|---|---|---|
| Dorsatech | http://www.dorsatech.com | Dorsatech is the central nexus for all sites created and managed by creator James Dorsa, including the personal sites for James Dorsa, Doris Chiang, Musicography.org, and dorsapps CSUN educational tools. |
| Doris Chiang's Piano Studio | http://www.dorischiang.com | Doris is the current President of MTAC Orange County Branch. She runs a private piano studio focusing on younger aged prospective pianists. |
| Andrea di Maio Harpsichords | http://www.andreadimaio.it | Andrea is an excellent Italian harpischord maker outside of Viterbo, Italy |