Pretty much anything by Cher is the best music for playing Taric.
I posted this on another person's thread earlier but I feel its relevant to the topic at hand:
This is my Taric play list: https://www.youtube.com/watch?v=BLWamHxKtD0 - A Band called Gems https://www.youtube.com/watch?v=4H5I6y1Qvz0 - Scissor sisters https://www.youtube.com/watch?v=92FCRmggNqQ - Kayne West Diamonds https://www.youtube.com/watch?v=izGwDsrQ1eQ - Careless Whipsper by George Michael https://www.youtube.com/watch?v=dQsjAbZDx-4 - Fernando by Abba https://www.youtube.com/watch?v=s3Q80mk7bxE - Jackson 5 (When Ezreal is on the other team) https://www.youtube.com/watch?v=lWA2pjMjpBs - Shine bright like a diamond