Rast pitch class set explained

The Rast pitch class set is a set of scales that are named after the Rast makam. For Rast, there is the Rast tetrachord and Rast pentachord.

It is used as a Çeşni in many makams.

Rast tetrachord and pentachord in 53-TET

The intervals of the Rast tetrachord and Rast pentachord within 53 Tone Equal Temperament are given in the table:

Rast pitch class set!Pentachord!Tetrachord!Note order!Step to next note (Number of steps)!Note name starting from Rast[1]
Rast pentachordRast tetrachord1T (9)Rast
2K (8)Dügâh
3S (5)Segâh
4T (9) (Only for pentachord)Çârgâh
-5-Neva

Makams that use the Rast pentachord or Rast tetrachord

Higher Çeşni!Notes
Rast Ascending[2] Rast pentachordRast tetrachord
Acemli Rast (Same as Rast Descending)Rast pentachordBuselik tetrachord
Basit Suzinak[3] Rast pentachordHicaz tetrachord
Nikriz pentachordRast tetrachordBuselik tetrachord

Notes and References

  1. Note: This is sometimes called "Starting from its original position" but it doesn't have to start there.
  2. Web site: RAST . 2024-03-25 . TDV İslâm Ansiklopedisi . tr.
  3. Web site: SÛZİNAK . 2024-03-25 . TDV İslâm Ansiklopedisi . tr.