Navigate to Catalog > Tracks
Use the checkboxes to select multiple tracks
To select a few in a row, select the first track, hold shift and then select the last track you want to edit
Select or deselect all using the checkbox at the top
As you select multiple tracks the edit icon will appear at the top right.
Type within each text input box to overwrite the current information
To apply changes for a particular field, click the checkbox to its left
To apply changes to all fields, click the Edit all fields checkbox at the top
Save the changes by clicking the green tick icon at the foot of the modal
