Answer the following question: Information:  - Roger Keith "Syd" Barrett (6 January 1946  7 July 2006) was an English musician, composer, singer-songwriter, and painter. 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. 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.  - David Jon Gilmour, (born 6 March 1946) is an English singer, songwriter, composer, multi-instrumentalist, and record producer. He joined the progressive rock band Pink Floyd as guitarist and co-lead vocalist in 1968, effectively as a replacement for founder Syd Barrett, who left the band shortly afterwards.  - Pink Floyd were an English rock band formed in London. They achieved international acclaim with their progressive and psychedelic music. Distinguished by their use of philosophical lyrics, sonic experimentation, extended compositions and elaborate live shows, they are one of the most commercially successful and influential groups in the history of popular music.  - The Piper at the Gates of Dawn is the debut studio album by English rock band Pink Floyd, and the only one made under founder member Syd Barrett's leadership. The album, named after the title of chapter seven of Kenneth Grahame's "The Wind in the Willows" and featuring a kaleidoscopic cover photo of the band taken by Vic Singh, was recorded from February to May 1967 and released on 5 August 1967. It was produced by Beatles engineer Norman Smith and released in 1967 by EMI Columbia in the United Kingdom and Tower in the United States, in August and October respectively.  - `` Flaming '' ( formerly titled `` Snowing '' ) is a song by psychedelic rock band Pink Floyd , featured on their 1967 debut album , The Piper at the Gates of Dawn . Written and sung by Syd Barrett , the lyrics describe a childlike game with fantastical imagery ( such as unicorns and buttercups ) , while prominent organ and driving bass guitar carry the uptempo music . After David Gilmour joined the band , the song remained in their set list for a while in 1968 , even after Barrett 's departure .    Given the information, choose the subject and object entities that have the relation of 'producer'.
Answer:
flaming  , norman smith