Tj Bonn has 2 Grave Digger concerts.

Grave Digger is a German heavy metal band that was first formed in 1980 by Chris Boltendahl and Peter Masson. Emerging from the early-to-mid 1980s heavy metal scene of their native country, Grave Digger has been referred to as one of the so-called "big four" of German power metal, along with Helloween, Rage and Running Wild.