Dokaka is a Japanese beatboxer

Beatboxing

Beatboxing is a form of vocal percussion primarily involving the art of producing drum beats, rhythm, and musical sounds using one's mouth, lips, tongue, and voice. It may also involve singing, vocal imitation of turntablism, and the simulation of horns, strings, and other musical instruments...

 who performs music solely by multitracking

Multitrack recording

Multitrack recording is a method of sound recording that allows for the separate recording of multiple sound sources to create a cohesive whole...

 his own voice, generally with one instrument per track. (That is, he records himself mimicking the bass part to a song, then records himself mimicking the drum part in sync with the first recording, and so on.)

He has distributed his recordings primarily as free downloads from his website; these include interpretations of works by King Crimson

King Crimson

King Crimson are a rock band founded in London, England in 1969. Often categorised as a foundational progressive rock group, the band have incorporated diverse influences and instrumentation during their history...

, Led Zeppelin

Led Zeppelin

Led Zeppelin were an English rock band, active in the late 1960s and throughout the 1970s. Formed in 1968, they consisted of guitarist Jimmy Page, singer Robert Plant, bassist/keyboardist John Paul Jones, and drummer John Bonham...

, Wes Montgomery

Wes Montgomery

John Leslie "Wes" Montgomery was an American jazz guitarist. He is widely considered one of the major jazz guitarists, emerging after such seminal figures as Django Reinhardt and Charlie Christian and influencing countless others, including Pat Martino, George Benson, Russell Malone, Emily...

, Slayer

Slayer

Slayer is an American thrash metal band formed in Huntington Park, California, in 1981 by guitarists Jeff Hanneman and Kerry King. Slayer rose to fame with their 1986 release, Reign in Blood, and is credited as one of the "Big Four" thrash metal acts, along with Metallica, Megadeth and...

, the Rolling Stones, and Miles Davis

Miles Davis

Miles Dewey Davis III was an American jazz musician, trumpeter, bandleader, and composer. Widely considered one of the most influential musicians of the 20th century, Miles Davis was, with his musical groups, at the forefront of several major developments in jazz music, including bebop, cool jazz,...

, among many others. He largely records covers

Cover version

In popular music, a cover version or cover song, or simply cover, is a new performance or recording of a contemporary or previously recorded, commercially released song or popular song...

 of heavy metal, prog

Progressive rock

Progressive rock is a subgenre of rock music that developed in the late 1960s and early 1970s as part of a "mostly British attempt to elevate rock music to new levels of artistic credibility." John Covach, in Contemporary Music Review, says that many thought it would not just "succeed the pop of...

, jazz

Jazz

Jazz is a musical style that originated at the beginning of the 20th century in African American communities in the Southern United States. It was born out of a mix of African and European music traditions. From its early development until the present, jazz has incorporated music from 19th and 20th...

 and videogame theme music, though he has also written and recorded original songs. Dokaka also appears on Björk

Björk

Björk Guðmundsdóttir , known as Björk , is an Icelandic singer-songwriter. Her eclectic musical style has achieved popular acknowledgement and popularity within many musical genres, such as rock, jazz, electronic dance music, classical and folk...

's Medúlla

Medúlla

Medúlla is the sixth studio album by Icelandic singer, songwriter, and musician Björk, released on August 30, 2004 by Warner Bros. Records and One Little Indian. The title derives from the Latin word for "marrow". The album is almost entirely a cappella and constructed with human vocals...

(2004) and Katamari wa Damacy, the soundtrack to the video game We Love Katamari (2005).

On May 23, 2006, the artist's website, dokaka.com, was hacked

Hacker (computer security)

In computer security and everyday language, a hacker is someone who breaks into computers and computer networks. Hackers may be motivated by a multitude of reasons, including profit, protest, or because of the challenge...

 and vandalized by a criminal hacking group claiming to be from Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

. The website is now back up, with details of his forthcoming album entitled 'Human Interface'.

Dokaka performed a rare concert with other vocal artists at Atlantic Waves music festival on the 30th of November 2006, in Union Chapel, Islington London.