Complex sentence: In the spring of 2001 the band set off on a three week tour of Europe which was highlighted by an invitation to record a session for legendary British DJ John Peel, they recorded 4 tracks for the show which was aired twice by Peel.
Split into simpler sentences: In the spring of 2001 the band set off on a three week tour of Europe which was highlighted by an invitation to record a session for legendary British DJ John Peel. They recorded 4 tracks for the show which was aired twice by Peel.