Conversation so far:
what happened in 2000 with The Corrs?
The Corrs returned to mainstream success with their third album in 2000
what was The Corrs' third album?
The Corrs' third album was In Blue
was In Blue by The Corrs successful?
In Blue by The Corrs hit number one in its first sales week in the UK, Ireland, Australia, Germany, Switzerland, Austria and debuted at No. 2 in France and Norway.
how many records did The Corrs sell of In Blue?
As of 2017, The Corrs has sold 9 million copies of In Blue worldwide.
who was The Corrs' manager?
John Hughes noticed The Corrs when they auditioned for the film and agreed to become their manager.
did The Corrs collaboarte with anyone on in 2000 on their third album In Blue?
The Corrs worked with Alejandro Sanz on In Blue, recording Una Noche, a duet between Sanz and Andrea Corr; Sanz played Andrea's love interest in the music video.

Question: what else contributed to their mainstreem success?
Self-contained rewrite: what else contributed to The Corrs' mainstreem success in 2000 besides working with Alejandro Sanz?