Possible Clues:

• Old brand of crackers
• Snack food that once used the slogan "Taste the difference!"
• Happy cry in song
• Snack cracker brand
• Exclamation in 'The Farmer in the Dell'
• Song syllables before 'It's off to work we go'
• "___! Cherry-O" (kids' board game)
• Kermit the Frog's greeting
• Breezy greeting
• Classic cracker brand