Anti-Static Carbon Fiber Record Brush It's the dust, dirt and grime you can't see with that does the most damage to your LP's sound. Learn how long the groove is on an LP? Plus 11 other LP Record fun facts. Learn where the Left and Right channel information located in your record grooves. Learn how rubbing a balloon against your head is like cleaning LPs. It's about static electricity. Your stylus is analog and needs to have intimate contact with the minute undulations in the groove.