The key signature allows the composer to use less accidentals which makes the music less cluttered. Just like the other person who answered this said when a score with multiple instruments is written it is almost always all in the same key to keep the music organized (their answer is better)
Usually, for songs you would need to contact the publisher or composer. In this case, I believe you would need to contact the band's agent, or their record label.
Answer: This is known as the Medicalisation of Beauty.
Explanation: Actually, The Swan was a reality TV show that aired in 2004 - 2005 comprising of 18 episodes of 45-50 minutes.
The actual purpose of the series was to give extreme makeover to women that were deemed ugly.
The term used often in the series to address this concept was the Medicalisation of Beauty.
The show received huge criticism for encouraging women to base their self worth on appearance and the encouragement of cosmetic surgery.
