Page has already told the court that he didn't steal the famous 'Stairway To Heaven' guitar riff
Band are accused of copying the guitar riff for their classic track
Band are expected to attend Los Angeles trial
Listen to 'The Lemon Song'
Court case argues that former tourmate should be given a writing credit on the song
Zeppelin guitarist raves about Donegan's 'Rock Island Line' in new book
The guitarist claims the frontman made the offer in 1975
Bonham isn't sure such a performance would be public, however