Place a blank DVD-R, DVD+R, DVD-RW or DVD+RW into your computer's DVD burner and select "Burn Files to Data Disc" from the prompt that appears.
Click "Show Formatting Options" and choose "Mastered" from the next menu that appears.
Click "Next" to confirm this formatting selection and an empty burn folder will open.
Drag or copy and paste the audio track or tracks you want to add to a DVD into the empty burn folder that opens.
Click "Burn to Disc" inside of this burn folder.
Eject the DVD from your computer when the burning process is completed.
Open a "Finder" window and click "File" and then "New Burn Folder."
Open the new burn folder that appears.
Drag or copy and paste the audio track or tracks you want to add to a DVD into the empty burn folder.
Click "Burn" inside of this burn folder.
Place a blank DVD-R, DVD+R, DVD-RW or DVD+RW into your computer's DVD burner.
Eject the DVD from your computer when the burning process is completed.