Cracow trumpet signal from the St. Mary church tower, Poland. https://upload.wikimedia.org/wikipedia/commons/a/ac/Cracow_trumpet_signal.ogg Public Domain
Peter Ilich Tchaikovsky, Sei Forse L'Angelo Fedele. Claudia Muzio, soprano, et al. Edited by Thomas A. Edison. The Project Gutenberg eBook Audio. http://www.gutenberg.org/files/10278/10278-m/10278-m-001.mp3 CC BY 3.0 Share Alike Vasily Agapkin, Farewell of Slavianka, recorded by United States Coast Guard Band. https://commons.wikimedia.org/wiki/File:Farewell_of_Slavianka_(stereo).ogg Public Domain