I'm not sure, but is it key that you contact them specifically? If not, there are plenty of places to get high quality contact lists for music industry contacts. A popular one is called "Muser Lists," you can Google them. I've bought them and used them before. Good luck!
They make music
Irving Berlin. It is with Irving Berlin Enterprises, or Corporation, or Publishing Firm, and/or Company. He and with him what he corporates or incorporates owns his music and receives the sales results.
Rosemary Clooney Sings the Music of Irving Berlin was created in 1984.
1925
Jerome kern was once asked to define irving birlins place in the culture of american music.kern replied 'irving berlin is american music'
Irving Berlin
Irving Berlin's name before it was Irving Berlin is Afanas Chiba.
Irving Berlin was considered one of the greatest songwriters in American history. He was also the owner of the Music Box Theatre on Broadway in New York City.
"The Music Man" was published by The Frank Music Corp., which was Irving Berlin's music publishing company.
1915
1925
Williamson Music, now part of R&H, handles the Irving Berlin catalog. The best contact for them is irvingberlin@rnh.com