Alana on Instagram: "`Austin & Ally’ follows the exploits of the title characters, polar opposites who combine their talents to try to create a musical tour de force. Austin is an extroverted musician and singer. Ally is a brilliant, but shy, songwriter. Austin and Ally’s best friends are Trish and Dez, respectively. Without Ally’s knowledge, Austin and Dez `borrow’ one of her songs, make a music video out of it and post it on the Internet. The music video catapults Austin into an overnight sens