I'm assuming you're looking for features related to the DVD download of Marcos Witt's 25th Anniversary Concert, also known as "25 Concierto Conmemorativo". Here are some features you might find:

This special event featured reimagined versions of Witt’s most iconic songs, often performed as duets with renowned guest artists: Marcos Witt - 25 Concierto Conmemorativo (En Vivo) - Deezer