Misc: 'Frodo. Gandalf and Bilbo Baggins are all characters from what?

Questions

who originally recorded the all saints song under the bridge?

who played a twelve year old prostitute in the film taxi driver?

who recorded the 1970 album abraxas?

what was the name of the character played by daniel day lewis in the film my left foot?

frank and nancy sinatra duetted on which hit song?