Question: Liam O'Connor is a multi-instrumentalist musician, described as "the Jimi Hendrix of the accordion", Hendrix was an American rock guitarist, singer, and songwriter, and which organization, that describes him as "arguably the greatest instrumentalist in the history of rock music"?

Context articles: Fire: The Jimi Hendrix Collection
Liam O'Connor (Irish musician)
Death of Jimi Hendrix
The Kennedy Experience
Jimmy James and the Blue Flames
Jimi Hendrix
The Jimi Hendrix Experience
The Cry of Love Tour
Room Full of Mirrors
Are You Experienced

Fire: The Jimi Hendrix Collection is a posthumous compilation album by American blues-rock musician Jimi Hendrix.
 Released on June 7, 2010, the album features 20 songs from throughout the career of The Jimi Hendrix Experience and Hendrix as a solo musician, including "Valleys of Neptune", only officially released on the album of the same name in March 2010.
 Released by CMG, the album is named after The Experience song "Fire", originally released on the band's debut album "Are You Experienced" in 1967.
Liam O'Connor is a multi-instrumentalist musician, described as "the Jimi Hendrix of the accordion".
On September 18, 1970, the American musician Jimi Hendrix died in London, aged 27 years.
 One of the most influential guitarists of the 1960s, he was described by the Rock and Roll Hall of Fame as "arguably the greatest instrumentalist in the history of rock music."
The Kennedy Experience is a music group and eponymous instrumental album conceived and produced in 1999 by violinist Nigel Kennedy.
 The album is largely derived from the music of rock guitarist Jimi Hendrix and the title references his group The Jimi Hendrix Experience.
 According to a BBC interview with Kennedy, the violinist stated that the recording is "an album of music inspired by Jimi Hendrix.
 It is an extended instrumental work in six movements, each movement a classical interpretation of a Hendrix song".
 On the recording, Kennedy is accompanied by seven other musicians, and the lineup includes two cellos, an oboe, two guitars, a Dobro, flute, and double bass.
 With cellist Lynn Harrell, he has recorded an album of duets.
Jimmy James and the Blue Flames was a short-lived American rock group that was fronted by Jimi Hendrix, who was then going by the name "Jimmy James".
 The band was Hendrix's first extended foray into the 1966 Greenwich Village music scene and included future Spirit guitarist Randy California.
 At various New York clubs, they played a mix of rock, blues, and rhythm and blues songs as well as early versions of songs that became part of the Jimi Hendrix Experience repertoire.
 It was at such a performance that Animals' bassist Chas Chandler first heard their rendition of "Hey Joe" and decided to invite Hendrix to England and become his producer.
James Marshall "Jimi" Hendrix (born Johnny Allen Hendrix; November 27, 1942 – September 18, 1970) was an American rock guitarist, singer, and songwriter.
 Although his mainstream career spanned only four years, he is widely regarded as one of the most influential electric guitarists in the history of popular music, and one of the most celebrated musicians of the 20th century.
 The Rock and Roll Hall of Fame describes him as "arguably the greatest instrumentalist in the history of rock music".
The Jimi Hendrix Experience was an American-English rock band that formed in Westminster, London, in September 1966.
 Singer, songwriter, and guitarist Jimi Hendrix, bassist and backing vocalist Noel Redding, and drummer Mitch Mitchell comprised the group, which was active until June 1969.
 During this time, they released three studio albums and became one of the most popular acts in rock.
 In April 1970, Hendrix, Mitchell, and bassist Billy Cox performed and recorded until Hendrix's death on September 18, 1970.
 This later trio was sometimes billed as the "Jimi Hendrix Experience", but the title was never formalized.
The Cry of Love Tour was a concert tour by American rock singer-songwriter and guitarist Jimi Hendrix, which ran from April 25 to September 6, 1970, in the United States and Europe.
 The tour turned out to be the last on which Hendrix performed before his death in September, and featured many songs that he was working on for his double album "First Rays of the New Rising Sun".
 Though the band did not feature original bassist Noel Redding, the trio of Hendrix, Mitch Mitchell (drums) and Billy Cox (bass) was often billed as "the Jimi Hendrix Experience".
Room Full of Mirrors: A Biography of Jimi Hendrix is a 2005 biography of the influential rock guitarist, singer, and songwriter Jimi Hendrix.
 It was written by Charles R. Cross.
Are You Experienced is the debut studio album by English-American rock band the Jimi Hendrix Experience.
 Released in 1967, the LP was an immediate critical and commercial success, and it is widely regarded as one of the greatest debuts in the history of rock music.
 The album features Jimi Hendrix's innovative approach to songwriting and electric guitar playing which soon established a new direction in psychedelic and hard rock music.