Conversation so far:
What took place during the years 1989-1993 for the band Opeth?
Opeth was formed as a death metal band.
What is the band Opeth's Formation?
Mikael Åkerfeldt, Martín Méndez, Martin Axe AxenrotFredrik Åkesson and Joakim Svalberg,
Who was the lead member of the band Opeth?
Lead vocalist, guitarist and songwriter Mikael Åkerfeldt has remained Opeth's primary driving force.
When did the band Opeth break up?

Question: How many albums did this band put out as a whole?
Self-contained rewrite: How many albums did this band Opeth put out as a whole?