under boots, the main money-spinner of the crookes products division was nurofen (ibuprofen or brufen), which boots had patented in 1962, developed by stewart adams (chemist) and launched on 8 august 1983. by the late 1980s nurofen had a 12% share of the analgesics market. gold greenlees trott (ggt), who later bought bbdp then were bought by omnicom group in 1998 and made part of tbwa worldwide, were commissioned to make an advert to markedly increase nurofen's market share. analgesics are mainly purchased by 25- to 40-year-old women. the 30 second tv advert, launched on 3 may 1989, used the voice instrumental section by clare torry (for which she was originally paid £150) of "the great gig in the sky". it was the first time that an analgesic brand had been advertised in such fashion, and the first time that music from pink floyd had been used in tv advertising; they only agreed after seeing the produced advert.