Possible Clues:

• Think
• 1971 hit with the lyric 'You may say I'm a dreamer'
• Suppose there's silver in one source of gold!
• Fancy a drink among fruit left out
• One wise person has kept popular original Lennon LP
• Just think of it repeated on Beckett cover
• Think of wise men in inn going by east and northern deserts
• Picture in one periodical Arizona's banned
• #1 hit by a 30-Across member
• Rolling Stone called it the third greatest song of all time