Input (grade 13): Stokowski, who made his official conducting debut in 1909, appeared in public for the last time in 1975 but continued making recordings until June 1977, a few months before his death at the age of 95.
Output (grade 11): He appeared in public for the last time in 1975 but continued making recordings until June 1977, a few months before his death at the age of 95.