Complex sentence: He also continued to lead the Australian Friends of the Israel Philharmonic Orchestra, which he had founded in the 1930s at the personal request of his friend Bronislaw Huberman, raising funds for their first tour of Australia and suggesting they engage the young conductor Zubin Mehta.
Split into simpler sentences: He also continued to lead the Australian Friends of the Israel Philharmonic Orchestra, which he had founded in the 1930s at the personal request of his friend Bronislaw Huberman. He raised the funds for their first tour of Australia and suggested they engage the young conductor Zubin Mehta.