Spice Girls discography sold 23 million copies worldwide and was certified ten times platinum by the British Phonographic Industry (BPI) in the UK. The fourth Spice Girls single, the double A-side "Mama"/"Who Do You Think You Are", also went to number one in the UK. In November 1997 the group released their second album, "Spiceworld", which has been certified five times platinum by the BPI. The album produced three number-one singles in the UK, "Spice Up Your Life", "Too Much" and "Viva Forever", with "Stop" peaking at number two, ending the group's run of consecutive number-one singles in the UK. In May 1998
British Hit Singles & Albums the "Record Retailer" chart was little known until it was adopted by the BBC in 1969 and that by adopting this chart as its standard, the editors had a non-consensual view. An example often given is the case of The Beatles' second single "Please Please Me" which was recognised as a number one hit by every other publicly available chart of the time, but not by "Record Retailer" and therefore not by "British Hit Singles". Other records to which this applies include "19th Nervous Breakdown" by The Rolling Stones, "Stranger on the Shore" by Acker Bilk and the Eurovision Song