Copy and paste the following URL into your phone’s or desktop application’s, “Add by URL”, option:

https://calendar.google.com/calendar/ical/aurorabands%40gmail.com/public/basic.ics

For example, the iPhone menu is currently:

Settings/Passwords & Accounts/Add Account

This option should be available on Microsoft Exchange, Mac Calendar, iPhone, Android and many other calendaring applications.

*If you are having trouble synching events, please delete the calendar from your phone and re-add it.