Step 1: Click the blue + icon.
Step 2: MAKE SURE THIS TRANSCRIPTION SWITCH IS ON!
Step 3: Either drag and drop your audio file or click CHOOSE FILE.
Step 4: Now that the audio is loaded, clip it. For more info on clipping audio- How To Clip Audio During The Import Process.
Step 5: Click ADD TO VIDEO.
Step 6: Wait a bit.
Step 7: Success!