Who is that woman with Freddie Mercury and why study classical if I want to sing pop?

1. To learn the basics of breathing and tone production
2. To learn about your own voice: what type and range
3. To learn about the different vocal registers
4. To learn how to warm up your voice
5. To learn ways to deal with vocal challenges in a song
6. To increase your vocal stamina in performance
7. To learn how to care for your voice and avoid injury
8. To increase your vocal longevity

The woman with Freddie is Montserrat Caballé, a famous opera singer whom Freddie adored, and who gave concerts with him.