If you wish to learn about Persian music, which is based on quartertones, you may use google to search for the following keywords:
- Persian traditional music
- Persian-tuned piano
- Fluid piano
- Dastgah
- Radif
- Gusheh
- Persian musical interval (Sori and Koron)
- Avaz
- Riz
- Tahrir
- Shalal
- Dorrab
- Eshareh & Tekiyeh
- Shur
- Afshari
- Bayat-e Tork
- Dashti
- Abuata
- Homayun
- Bayat-e Esfahan
- Mahur
- Nava
- Rast Panjgah
- Segah
- Chahargah
- Rast Kook
- Chap Kook