The Modal Scales

I. Shur: G Ap Bb C Dp Eb F G and its four derivatives.

II. Avaz-e Abu Ata: G Ap Bb C D Eb F G

III. Avaz-e Bayat-e Tork: F G Ap Bb C D Eb F

IV. Avaz-e Afshari: F G Ap Bb C D (p) Eb F

V. Avaz-e Dashti: G Ap Bb C D (p) Eb F G

VI. Homayun: G Ap B C D Eb F G

VII. Avaz-e Bayat-e Isfahan: G Ap B C D Eb F G

VIII. Segah: F G Ap Bp C Dp Eb F

IX. Chahargah: C Dp E F G Ap B C

X. Mahur: C D E F G A B C

XI. Rast Panjgah: F G A Bb C D E F

XII. Nava: D Ep F G A Bb C D

Note: The underlined letters have approximately the function of a tonic. Small 'b' means "flat"; small 'p' indicates pitch approximately a quarter-tone lower than the indicated note or, in other words, a half flat.