It can be both. Audience is plural and singular.
Answer:
"The Swedish Academy's decision to honor Dylan set off an online debate, with Scottish Trainspotting novelist Irvine Welsh calling it 'an ill conceived nostalgia award wrenched from the rancid prostates of senile, gibbering hippies.'"
"On one end of Dylan's songwriting spectrum is the vengeful, resolute, and timeless 'Masters Of War' . . . . It's high dudgeon at its finest: 'Let me ask you one question: Is your money that good? / Will it buy you forgiveness? Do you think that it could?'"
Explanation:
An appositive phrase gives information, and has commas on either side.
Here is an example of an appositive phrase.
My friend, a college student, has a lot of work to do.
From this you should be able to find out that this one has an appositive.
<span>Tiger sharks, which are voracious eaters, eat fish, seals, birds, and even old tires.</span>