Arab tone system
The modern Arab tone system, or system of musical tuning, is based upon the theoretical division of the octave into twenty-four equal divisions or 24-tone equal temperament (24-TET), the distance between each successive note being a quarter tone (50 cents). Each tone has its own name not repeated in different octaves, unlike systems featuring octave equivalency. The lowest tone is named yakah and is determined by the lowest pitch in the range of the singer. The next higher octave is nawa and the second tuti. However, from these twenty-four tones seven are selected to produce a scale and thus the interval of a quarter tone is never used and the three-quarter tone or neutral second should be considered the characteristic interval.
By contrast, in the European equally tempered scale the octave is divided into twelve equal divisions, or exactly half as many as the Arab system. Thus the system is written in European musical notation using a slashed flat for quarter flat (some systems use a reversed flat sign instead), a flat for half-tone flat, a slashed flat and a flat for three-quarter tone flat, sharp with one vertical line for quarter sharp, sharp (♯) for half-step sharp, and a half sharp and a sharp for three-quarter sharp. A two octave range starting with yakah arbitrarily on the G below middle C is used.
31 equal temperament
In music, 31 equal temperament, 31-ET, which can also be abbreviated 31-TET, 31-EDO (equal division of the octave), also known as tricesimoprimal, is the tempered scale derived by dividing the octave into 31 equal-sized steps (equal frequency ratios). 
Play Each step represents a frequency ratio of 21/31, or 38.71 cents ( Play ).
31-ET is a very good approximation of quarter-comma meantone temperament. More generally, it is a tuning of the syntonic temperament in which the tempered perfect fifth is equal to 696.77 cents, as shown in Figure 1. On an isomorphic keyboard, the fingering of music composed in 31-ET is precisely the same as it is in any other syntonic tuning (such as 12-ET), so long as the notes are spelled properly -- that is, with no assumption of enharmonicity.
History
Leet
Leet (or "1337"), also known as eleet or leetspeak, is an alternative alphabet for many languages that is used primarily on the Internet. It uses various combinations of ASCII characters to replace Latinate letters. For example, leet spellings of the word leet include 1337 and l33t; eleet may be spelled 31337 or 3l33t.
The term leet is derived from the word elite. The leet alphabet is a specialized form of symbolic writing. Leet may also be considered a substitution cipher, although many dialects or linguistic varieties exist in different online communities. The term leet is also used as an adjective to describe formidable prowess or accomplishment, especially in the fields of online gaming and in its original usage – computer hacking.
History
Podcasts:
ET
ALBUMS
- Best Friends released: 1986
E.T.
ALBUMS
- Ingen Fucking ©opyright released:
E.T.
ALBUMS
Errol Thompson
ALBUMS
- The Black Foundation in Dub released: 2000
Born: 1948-12-29
Died: 2004-11-13
E.T.
ALBUMS
- 11. Hrvatski Radijski Festival Pop - Rock Urbana released: 2007
- Mala antologija hrvatskog rocka released: 2003
- 6. Hrvatski Radijski Festival, Br. 1 released: 2002
- Cellblock Compilation II: Face/Off released: 1998
- Anno Domini 1996. released: 1996
- Porin 1994-1995 released:
- Second to None released:
ETŁ
ALBUMS
- Wspólna Scena released:
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Braindead Hero
by: UdoFor a long time he's been lucky man
No difference if it's good or bad
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The countdown's on a roll
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They're all oblivious to the crime
Braindead hero
Braindead hero - out of the sun he comes
Braindead hero
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Fire at will - just do or die
The message: here ya go
The countdown's on a roll
War against the world
All systems deadly armed
Machine, man, all in one
They're all oblivious to the crime
Braindead hero
Braindead hero -like a hammer from the sky
Braindead hero
Braindead hero - supersonic cry
You better stay just where you are
Consequences in the fire
Braindead hero
Braindead hero - out of the sun he comes
Braindead hero
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