With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Syd Barrett died in 1999.
text_B: Roger Keith `` Syd '' Barrett -LRB- 6 January 1946 -- 7 July 2006 -RRB- was a British musician , composer , singer-songwriter , and painter .. Barrett. Barrett ( album ). Best known as a founder member of the band Pink Floyd , Barrett was the lead singer , guitarist and principal songwriter in its early years and is credited with naming the band .. Pink Floyd. Pink Floyd. Barrett. Barrett ( album ). Barrett was excluded from Pink Floyd in April 1968 after David Gilmour took over as their new guitarist , and was briefly hospitalised amid speculation of mental illness .. Pink Floyd. Pink Floyd. David Gilmour. David Gilmour. mental illness. Mental disorder. Barrett. Barrett ( album ). Barrett was musically active for less than ten years .. Barrett. Barrett ( album ). With Pink Floyd , he recorded four singles , their debut album -LRB- and contributed to the second one -RRB- , and several unreleased songs .. Pink Floyd. Pink Floyd. debut album. The Piper at the Gates of Dawn. the second one. A Saucerful of Secrets. Barrett began his solo career in 1969 with the single `` Octopus '' from his first solo album , The Madcap Laughs -LRB- 1970 -RRB- .. Octopus. Octopus ( Syd Barrett song ). The Madcap Laughs. The Madcap Laughs. Barrett. Barrett ( album ). The album was recorded over the course of a year with five different producers -LRB- Peter Jenner , Malcolm Jones , David Gilmour , Roger Waters and Barrett himself -RRB- .. David Gilmour. David Gilmour. Peter Jenner. Peter Jenner. Roger Waters. Roger Waters. Barrett. Barrett ( album ). Nearly two months after Madcap was released , Barrett began working on his second and final album , Barrett -LRB- 1970 -RRB- , produced by Gilmour and featuring contributions from Richard Wright .. Barrett. Barrett ( album ). Richard Wright. Richard Wright ( musician ). Two years later , he left the music industry , retired from public life and strictly guarded his own privacy until his death in 2006 .. In 1988 , an album of unreleased tracks and outtakes , Opel , was released by EMI with Barrett 's approval .. Barrett. Barrett ( album ). Opel. Opel ( album ). EMI. EMI. Barrett 's innovative guitar work and exploration of experimental techniques such as dissonance , distortion and feedback influenced many musicians .. Barrett. Barrett ( album ). dissonance. Consonance and dissonance. distortion. distortion. feedback. feedback. His recordings are also noted for their strongly English-accented vocal delivery .. After leaving music , Barrett continued with painting and dedicated himself to gardening .. Barrett. Barrett ( album ). Pink Floyd wrote and recorded several tributes to him , most notably the 1975 album Wish You Were Here , which included `` Shine On You Crazy Diamond '' , as homage to Barrett .. Pink Floyd. Pink Floyd. Barrett. Barrett ( album ). Wish You Were Here. Wish You Were Here ( Pink Floyd album ). Shine On You Crazy Diamond. Shine On You Crazy Diamond
related.