Just follow these easy steps to rename your Live Shows tab:
1. Click the "Settings" button for your artist Facebook page (next to "Help").
2. Click "Templates and Tabs" on the left side of the page.
3. Find the Live Shows tab and click "Settings".
4. Click Edit Settings on the pop-up window.
5. Next to “Custom Tab Name” write the new name in the box, click “Save”, then click “Okay”.
Please note you need to use legacy Facebook to customize tabs.