Complex sentence: In February 2000, Radiohead recorded the Orchestra of St John's in Dorchester Abbey, Oxfordshire; the band chose the orchestra as they had performed pieces by Penderecki and Messiaen.
Split into simpler sentences: In February 2000, Radiohead recorded the Orchestra of St John's in Dorchester Abbey in Oxfordshire. The band chose the orchestra as they had performed pieces by Penderecki and Messiaen.