Input (grade 13): Only a month after completing The Best Damn Tour, Lavigne began recording in her home studio in November 2008 with the song "Black Star", written to help promote her first fragrance of the same name.
Output (grade 8): A month after The Best Damn Tour was completed, Lavigne began recording in her home studio in November 2008 with the song "Black Star". It was written to promote her first fragrance also called Black Star.