In 1941, he joined the viola section of the Pittsburgh Symphony.
However, this week the required string strengths meant that we would have an uneven-numbered viola section with someone sitting on their own.
He continued to play in the viola section with the orchestra up until his death in 1949.
Another family member, Jerome S. Moshman, was at his place in the viola section.
There were times, too, when the orchestra's large violin and viola sections seemed to overpower the winds.
The main exception was the viola section, which needed - if not vibrato - a saving something in its prominent moments in the concerto.
He was an accomplished musician and played in the viola section of the Westchester County Philharmonic for many years.
The variation begins with the viola section playing three notes on different strings, as if to imitate Fitton's string crossing etudes.
He was the youngest violist ever appointed to lead the viola section of the Philadelphia Orchestra.
"After years of sitting in a viola section, there was something in me that needed to be the boss," Ms. Nalden said.