The predefined object cin is an instance of istream class. The cin object is said to be attached to the standard input device, which usually is the keyboard. The cin is used in conjunction with the stream extraction operator, which is written as >> which are two greater than signs as shown in the following example.
Yorke based this on a song called The Air That I Breathe, which was written by Albert Hammond and Mike Hazlewood in 1972. After Creep was released, Radiohead agreed to share the songwriting royalties, so this is credited to Yorke, Hammond and Hazlewood. This did well in the US, but not in their native England.
In the Summertime by Mungo Jerry. This buoyant tune was written by Ray Dorset, who was the group's lead singer and guitarist. He penned the song in 1968 when he was working for Timex in the UK - his band was just getting started and music was more of a hobby at the time. Dorest says that the famous melody just popped into his head one day, and the next day he wrote the lyrics very quickly.