1964
Neuhaus and Tudor, where Action Against Cultural Imperialism (AACI) protested],
The query describes an event on April 29, 1964, at Town Hall in NYC featuring a solo performance by Max Neuhaus, likely part of a larger concert. The concert program included composers like Stockhausen, Henze, and Hindemith, and performers such as Stockhausen and Tudor, notes a protest by the Action Against Cultural Imperialism (AACI).