In the page's words:

Popp Betriebsgesellschaft mbH (Popp Concerts for short) has been organizing concerts and events as a private-sector promoter in the greater Trier area since 1992.
Since 2016, Popp Concerts has also maintained an office in Saarbrücken and has expanded its area of activity into Saarland and West Palatinate. Events are also organized in neighbouring Luxembourg.
Up to 150 events in more than 30 different venues, from open air to club shows, are planned and staged by Popp Concerts every year.
Popp Concerts' portfolio includes genres such as pop, rock, family entertainment, musicals, shows and comedy.