10 riffs in 30 seconds

Only drop B riffs Slipknot - Duality Attila - Payback Stone Sour - Come Whatever May Veil of Maya - Mowgli Mudvayne - Severed Three Days Grace - Painkiller Linkin Park - Don’t Stay Skillet - Better Than Drugs Heaven Shall Burn - Behind A Wall Of Silence The Devil Wears Prada - Born To Lose