Complex sentence: In 1931, the English critic Neville Cardus, who until then had never heard of Goodman, attended two recitals of the 22-year-old; he described him as the best pianist in Australia.
Split into simpler sentences: In 1931, the English critic Neville Cardus, who until then had never heard of the 22-year-old Goodman, attended two of his recitals. His review described him as the best pianist in Australia.