Related Clues:

• See 29
• Annual quartet that's this puzzle's theme
• "Friends" had 10 of them
• Gives a kick
• Marine lads or 'salts'
• Quarterly arrivals
• Adds herbs or spices
• Spring, Summer etc
• Flavours
• Flavours food
• Boys going under the waves for periods
• TV units
• Noted quartet
• Enhances in the kitchen
• '___ Greetings!'