What makes Metal Rendez-vous by Krokus notable?

'Metal Rendez-vous' is significant for its commercial success in Europe, reaching high positions on various charts and helping to define Krokus's sound. The album's appeal played a crucial role in expanding heavy metal's popularity during the early 1980s, particularly in Switzerland and Germany, influencing many emerging bands within the genre. By the time 'Metal Rendez-vous' was released in January 1980, Krokus had already established themselves as a prominent act in the Swiss rock scene. This album marked their third release and was pivotal in solidifying their presence in the international heavy metal landscape, following their breakthrough with 'Hellraiser' in 1979.