$ sudo apt-get install easytag
- Make sure all your files are selected.
- Click on the green Scan Files icon.
- In the new window, select Rename File and Directory in the scanner drop down list.
- Set the rename field to show %a – %t (or following your needs)
- Click the green icon next to the scanner drop down.
- Click on the Exit icon.
- Click on the Save Files icon.
- Click Yes on the confirmation prompts