You have the ability to sync your My Music Staff calendar to your personal mobile device. This is a one-way sync. So, changes must be made in your My Music Staff account.
Log into My Music Staff on your mobile device.
Navigate to the "Calendar".
Tap the purple "Setup Sync" button in the top-right of your calendar.
Select your device type from the drop-down menu.
Follow the onscreen instructions to complete the sync.