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.
Daydream Believer by The Monkees. A folk singer named John Stewart wrote this song. Stewart was a member of The Kingston Trio from 1961 to 1967, and he wrote this shortly after leaving the group and teaming up with a pre-famous John Denver.