Given the question: What type of details about at vance can be gathered from the following bio? Bio: at vance is a german neoclassical/power metal band . they were formed by vocalist oliver hartmann -lrb- ex-centers -rrb- and guitarist olaf lenk -lrb- ex-velvet viper -rrb- in 1998 .
The answer is:
- website - years active - caption - origin - label - genre - name - background - image - current members