The famous drummer was robbed by unknowns who broke into his storage space and stole music instruments and othet memorabilia worth over $50,000. According to Kottak’s Facebook announcement his stage clothes, more than 13 guitars and all his gold and platinum awards are gone. Except from Scorpions, where he was recently replaced by Mikkey Dee, he had played for Kingdom Come, McAuley Schenker Group, Warrant and Wild Horses.