Possible Clues:

• 'Girl on TV' boy band
• "Girl on TV" boy band
• 'Summer Girls' boy band
• Boy band that sang 'Girl on TV'
• "Summer Girls" band
• "Girl on TV" pop band
• "Life is Good" boy band
• Defunct boy band with 'Summer Girls'
• "Summer Girls" popsters
• Low-frequency oscillation (abbr.)