Chickenfoot drummer Kenny Arnoff attended the Steel Panther show at the House of Blues in West Hollywood Monday night, joining the hair metal tribute band onstage for a rendiotion of the classic Kinks / Van Halen track "You Really Got Me."  Watch video ffotage of the performance below.  Formerly known as Metal Skool, Steel Panther was assembled as a cover band honoring the 1980s glam metal movement.  While the band continues to cover classic songs from the era, they have also released a pair of studio album featuring original songs, the latest being last year's "Balls Out."