The central idea of the article is that Barbie Parker is an excellent sign language interpreter who enhances music shows for deaf audiences, highlighting the essential role of quality interpretation in making music accessible to those who are deaf or hard of hearing. This supports the broader point that while good interpreters like Parker enrich experiences, poor interpreting can lead to misunderstandings and alienation.
However, based on the options provided, the best response seems to be:
A good sign language interpreter can be very helpful to a deaf audience, but a bad sign language interpreter can ruin an experience.