Music is an art form and cultural activity whose medium is sound organized in time. The common elements of music are pitch (which governs melody and harmony), rhythm (and its associated concepts tempo, meter, and articulation), dynamics (loudness and softness), and the sonic qualities of timbre and texture (which are sometimes termed the "color" of a musical sound). Different styles or types of music may emphasize, de-emphasize or omit some of these elements. Music is performed with a vast range of instruments and vocal techniques ranging from singing to rapping; there are solely instrumental pieces, solely vocal pieces (such as songs without instrumental accompaniment) and pieces that combine singing and instruments. The word derives from Greek μουσική(mousike; "art of the Muses").

The Liber Abaci Institute will publish a variety of documents that explores music from its principles also here is publish the Kappa System that is a music contribution in the rhythm.

Liber Abaci Music (website link)

The Liber Abaci Institute also has 4 records labels publishing world wide in major stores like Itunes, amazon and beatport.

Liber Abaci Records with the sublabels 22 July Records, Patmos Records & Ars Goetia.

The labels release tracks by 13 different music projects produced by label manager Rolando Nuztas.

The projects are: "144" Proportion House, "Antipas" Techno, "Lamb Wrath" Deep House, "Watermelon" Psy-Trance, "Tiwanaku" Electro-House, "Sun Beam" Progressive-House, "Alternating Current" Techno, "Alien Pizza" Techno, "Hell Cookie" House, "Daeva" Electronic Rock, "Shiva Stone"" Electronic Grunge, "Mayan Astronaut" Electronic Music & "John of Patmos" that is also the pseudonym the polymath Rolando Nuztas use for visual arts.

Juan Diego is the DJ pseudonym of the multi-producer Rolando Nuztas. Juan Diego mix allmost all the EDM genders like Electro- Progressive House and Trance, the gamma of Deep House/Tech House/Techno & Psy-trance. Juan Diego have a unique mixing style as is a multi-instrumentalist and use a technique with exact melodic transitions making a DJ set similar to a symphony.

Liber Abaci Records (website link)

22 July Records (website link)

Patmos Records (website link)

Ars Goetia (website link)

Juan Diego (website link)
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