Premise: TNT is a Norwegian heavy metal band from Trondheim, formed in 1982. The band has released twelve studio albums, three EPs and three live albums while going through numerous line-up changes since its formation. Guitarist Ronni Le Tekrø is the only consistent member of TNT. TNT has sold between 4-5 million albums worldwide as of 2016.
Hypothesis: Guitarist Ronni Le Tekrø is the only consistent member of TNT and will continue to hold the group together as long as he is able.