Bang Your Head!!!
First held in 1996 as a one-day indoor event in the Stefan-Hartmann-Halle in Tübingen with a crowd of 600 people , Bang Your Head ! ! ! has since moved to Balingen , growing into a multi-day event attracting 1 , 800 people in 1998 , 18 , 000 people in 1999 and 20 , 000 in 2005 . 
<triplet> Bang Your Head!!! <subj> 1996 <obj> inception <subj> Balingen <obj> located in the administrative territorial entity