Complex sentence: In the 1970s, interest in "Three Places in New England" was piqued once again, this time regarding the differences between the original 1914 scoring, much of which had been lost, and the 1929 chamber-orchestra rescoring for Slonimsky's chamber orchestra.
Split into simpler sentences: In the 1970s, interest in "Three Places in New England" was piqued once again. This time it was regarding the differences between the 1914 scoring, much of which was lost, and the 1929 score, which had been rewritten for Slonimsky's chamber orchestra.