All the artists are listed as they would be found in the Guinness Book Of British Hit Singles.
»P Diddy is listed under Puff Daddy which is under the letter P
»Tupac can be found under 2Pac which is in the 1-9 section.
»An artist using their first name only will be found under their surname letter. For example: Beyonce will be found under K (for Knowles)
»Any song that has been covered by another artist will be found in the Songs section with it's original artist name. In the Artist section it will appear under both original artist and the cover artist. For example: The song Unchained Melody is listed in the songs sections as being by The Righteous Brothers but also appears with Gareth Gates' songs.