Former Krokus drummer Dani Crivelli passed away on April 21. No cause of death was stated at the time.Crivelli played drums with the Swiss metal band from 1987-1989, performing on their ‘Heart Attack’ album in 1988, and the following tour. The band issued a statement on their website saying, in part, "We are saddened to report to you that drummer Dani Crivelli passed away. Our sincere condolences to his family and loved ones."