Complex sentence: The BBC Radiophonic Workshop, one of the sound effects units of the BBC, was created in 1958 to produce effects and new music for radio, and was originally closed in March 1998, although much of its traditional work had already been outsourced by 1995.
Split into simpler sentences: The BBC Radiophonic Workshop, one of the sound effects units of the BBC, was created in 1958 to produce effects and new music for radio. It was originally closed in March 1998, although much of its traditional work had already been outsourced by 1995.