Crossroad Tuning System Blues 307
A5 is "the naked Blue Note", is not suspended IV.
Define :
d ≡ 2 ^ ( 1/306 )
d = 1.002267754
2d = 2 * d
2d = 2 ^ ( 307/306 )
Nut 81.7383478 109.2312488 145.9714569 195.0693274 245.9111711 328.6240185 E2 A3 D3 G3 B4 E4 86.5007372 115.5954800 154.4763135 206.4348141 260.2388984 347.7709133 1 Fret 86.5987629 115.7264768 154.6513714 206.6687533 260.5338103 348.1650195 F2 C4 F4 86.6968996 115.8576221 154.8266278 206.9029575 260.8290563 348.5595723 2 Fret 91.7481933 112.6079312 163.8474205 218.9579168 276.0259568 368.8679889 B3 E3 A4 97.0937947 129.7515392 173.3937992 231.7152443 292.1082870 390.3596517 3 Fret 97.2038247 129.8985782 173.5902952 231.9778321 292.4393143 390.8020209 G2 C3 F3 D4 G4 97.3139795 130.0457839 173.7879138 232.2407175 292.7707168 391.2448915 4 Fret 414.0403184 B4 5 Fret 438.6604369 A3 D3 G3 C4 E4 A5 439.1575423 A5⤴cho 447.7232183
Crossroad Tuning Table
Blue Note & Choking
Name A5 (bend) A5⤴cho Frequency 430.7557417 439.1575423 447.7232183 Address 2677 + 13/18 2686 + 1/4 2694 + 7/9 2d ^ 314 / 36 315 / 36 316 / 36 Ratio 307 Crossroads
307
306 306 Name 2 ^ ( 105/12 ) A5 Frequency 430.5389646 438.9089192 447.4415912 Address 2677 + 1/2 2686 2694 + 1/2 2 ^ 315 / 36 316 / 36 317 / 36
A5 is "The Naked Blue Note",and Is not "Suspended IV.
"The Naked Blue Note" is not only A5. For example, D4, E4, G4.
"The Naked Blue Note" is a Integer.
D4 = [ 2048 / 7 ]
E4 = [ 2304 / 7 ]
G4 = [ 8192 / 21 ]
A5 = [ 3072 / 7 ]
"Major Pentatonic" ( Key : E ) is "Well Temperant Just Intonation".