Change "with tenacity" to "with boldness."
You've already used it correctly.
The correct verb is claps, the subject noun 'audience' is a singular noun (one audience). Notice that the singular possessive adjective 'its' is used to describe the appreciation of the audience.
A. The audience applauded the ambassador, who spoke for one-half hour. -took test
The most personal type of writing uses the pronoun I.
Department of Motor Vehicles
know your audience and deliver the joke with confidence
The young children are the audience that this show is aiming for.
The intended audience is for mature children (9-15)
Men, Woman's, and children
His target audience is the young children aged 3-8.
The target audience for Littlest Pet Shop are young children. These children play with these Littlest Pet Shop toys.
Stand up comics need a lot of creativity, confidence, and the ability to connect with the audience.
Children
Women and children, primarily.
adults
You've already used it correctly.
The intended audience was older children to young adults.