Blue Danube - Ray Nobel: 

https://www.youtube.com/watch?v=_EnYrwyZB3Y

Ambient sounds of Stephansplatz: https://freesound.org/people/magedu/sounds/287196/

Take Me Out to the Ball game:

https://freesound.org/people/AshFox/sounds/191927/

Die Entführung aus dem Serail, K. 384 "Martern aller Arten" - W. A Mozart, Arleen Auger, Staatskapelle Dresden & Karl Böhm. Available on iTunes/Apple Music

Die Entführung aus dem Serail, K. 384 "Nie werd' Ichdeine Huldverkennen"- "Bassa Selim lebe lange" - W. A Mozart, Arleen Auger, Reri Grist, Peter Schreier, Harald Neukirch, Kurt Moll, Renate Krahmer, Hannerose Katterfeld, Dieter Weimann, Hermann Christian Polster, Staatskapelle Dresden, Karl Böhm, Rundfunkchor Leipzig & Horst Neumann. Available on iTunes/Apple Music

All other Sounds and Music are property of Phonetic Planet, Susan Shea, and Joshua David Yardy