# Carlos Alpha

**Carlos Alpha** is the equal division of the just perfect fifth into nine parts of 77.9950 cents each (9ED3/2), corresponding to 15.3856 edo.

## Theory

Carlos Alpha is very closely related to valentine temperament. For a list of 11-limit dyadic chords of Carlos Alpha, see Chords of valentine.

## Intervals

Degrees | Cents ~ Cents octave-reduced | Approximate JI interval (11-limit) |

0 | 0 | 1/1 (exact) |

1 | 78 | |

2 | 156 | 11/10, 12/11 |

3 | 234 | 8/7 |

4 | 312 | 6/5 |

5 | 390 | 5/4 |

6 | 468 | 21/16 |

7 | 546 | 11/8 |

8 | 624 | 10/7 |

9 | 702 | 3/2 (exact) |

10 | 780 | 11/7 |

11 | 858 | |

12 | 936 | 12/7 |

13 | 1014 | 9/5 |

14 | 1092 | 15/8 |

15 | 1170 | |

16 | 1248 ~ 48 | |

17 | 1326 ~ 126 | |

18 | 1404 ~ 204 | 9/4 (exact) |

19 | 1482 ~ 282 | |

20 | 1560 ~ 360 | |

21 | 1638 ~ 438 | |

22 | 1716 ~ 516 | |

23 | 1794 ~ 594 | |

24 | 1872 ~ 672 | |

25 | 1950 ~ 750 | |

26 | 2028 ~ 828 | |

27 | 2106 ~ 906 | |

28 | 2184 ~ 984 | |

29 | 2262 ~ 1062 | |

30 | 2340 ~ 1140 | |

31 | 2418 ~ 18 | |

32 | 2496 ~ 96 | |

33 | 2574 ~ 174 | |

34 | 2652 ~ 252 | |

35 | 2730 ~ 330 | |

36 | 2808 ~ 408 |

## Compositions

*Bourdigal* by Jean-Pierre Poulin

*Alpha study 7 - melody study* by Joel Grant Taylor

*Alphapanther* by Carlo Serafini (blog entry)

*Alphadesert* by Carlo Serafini (blog entry)

*AlphaDulcimer* by Carlo Serafini (blog entry)

*AlphaTherem Waltz* by Carlo Serafini (blog entry)

*Cubana Al Cubana Pha* by Carlo Serafini (blog entry)

*DisMLosphere - video* by Carlo Serafini (blog entry)

*Alpha El Din* by Carlo Serafini (blog entry)

*Alpha Choir* by Carlo Serafini (blog entry)

*Alpha Seems To Be The Hardest World* by Carlo Serafini (blog entry)

*Bossa Sbilenca* by Carlo Serafini (blog entry)

*Galactic Overload* by Carlo Serafini (blog entry)

*Alpha Rain (video)* by Carlo Serafini (blog entry)

*Alpha Delinquent* by Carlo Serafini (blog entry)

*Alpha Abstract 1* by Carlo Serafini (blog entry)

*Miles of Space* by Carlo Serafini (blog entry)

*MacAtar (video)* by Carlo Serafini (blog entry)

*Fuzzy Logic* by Carlo Serafini (blog entry)

*Alpha Asana (video)* by Carlo Serafini (blog entry)

*Alpha Penguin Tanz (video)* by Carlo Serafini (blog entry)

*White Woman Speaks Up For #blacklivesmatter (video)* by Carlo Serafini (blog entry)

*Jayni's song* by Carlo Serafini (blog entry)

01.03.12 W.C.a. by Omega9