Complex sentence: The school had no musical tradition, and Britten continued to study the piano with Ethel Astle, and from the age of ten he took viola lessons from a friend of Ethel Britten's, Audrey Alston, who had been a professional player before her marriage.
Split into simpler sentences: The school had no musical tradition, and Britten continued to study the piano with Ethel Astle. From the age of ten he took viola lessons from a friend of Ethel Britten's, Audrey Alston, who had been a professional player before her marriage.