The Wagner tuba combines tonal elements of both the French horn and the trombone As the name suggests, this instrument was designed by Richard Wagner for his “Ring des Nibelungen”. These are Kontakt 5.3 instruments. Will not work with any earlier versions of Kontakt. Instruments’ samples are compressed. Instruments use from 20 to 60 MB of RAM alone. They do not use much cpu and the modulation wheel is not assigned to anything.