Answer:
She might have either grown up around or thinks it's cool. The effect could be that it gives a sense of how she sounds. If she avoided it she might have sounded differently.
If I threw myself a surprise party it would be held at a planetarium and I would invite Brian May (guitarist for the band Queen, and astrophysicist) so I could ask him about his life and tell him how much I love his work in all forms (music and science).