Bands

These should include

Electrocmagnetic Spectrum

• RF Bands
• Wi-Fi Bands
• LF, MF, HF, VHF, UHF Bands

Solid State Bands

• Conduction Band
• Valence Band

AC/DC

• Angus young
• Older Young
• The guy who died
• The singer that can't sing anymore
• Probably a drummer