Difficult To Cure / Keyboard Solo (Live) 作词 : Don Airey/Ian Gillan/Not Applicable/Roger Glover/Traditional/Jon Lord/Ian Paice/Ritchie Blackmore 作曲 : Don Airey/Ian Gillan/Not Applicable/Roger Glover/Traditional/Jon Lord/Ian Paice/Ritchie Blackmore /Ludwig van Beethoven