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.
The line up changes are due to traveling conflicts. 
( z1 cause :ARG0 ( z2 conflict :mod ( z3 travel ) ) :ARG1 ( z4 change :ARG1 ( z5 line-up ) ) )