Under his leadership , the orchestra concentrated on a traditional classical repertoire , but also introduced works by American composers such as Edward McDowell and Henry Cowell .
Cohn continued to serve as conductor until 1955 .
Under Cohn 's leadership , the orchestra concentrated on a traditional classical repertoire , but also introduced works by American composers such as Edward McDowell and Henry Cowell .
Cohn continued to serve as conductor until 1955 .