Student or Learner
We want to be with an independent (record label). We had number one records in every country in the world, so I knew how to work the independent distribution system worldwide.
--- Does it mean that he knew how to sell (himself) the band's records or how to promote them (band/records)?
So, I'd say that he knew how to promote them in order to make some profit for himself.
Hope, it helps a little.