Possible Clues:

• PC eponym
• Farmer's song location
• Locale in a children's song title
• Competitor of HP
• Farmer's place, in a rhyme
• Farmer's site, in a song
• Where 'the cheese stands alone,' in a classic song
• "The Farmer in the ___" (nursery rhyme)
• Small, shaded valley
• Multinational computer company, founded as PC's Limited in Texas in 1984