 Van Hoogstraten conducted a Brahms festival in Vienna, Austria, and the Mozart festival in Salzburg, as well as guest conducting throughout Europe.He conducted the New York Philharmonic at the Lewisohn Stadium summer concert series from 1922 to 1939 where he was also served as associate conductor from 1923 to 1925.At the Lewisohn, in 1927 he conducted NYPhil playing "Rhapsody in Blue" and "Concerto in F" with George Gershwin as soloist.