Canadian folksinger-songwriter Kate McGarrigle, who performed with her sister Anna as the McGarrigle Sisters for three decades, has died at age 63. Besides being an acclaimed and award-winning artist in her own right, McGarrigle was the mother of artists Rufus and Martha Wainwright through her previous marriage to singer-songwriter Loudon Wainwright III. McGarrigle, who had been battling a rare form of cancer, died at her Montreal home on Monday night, January 18. [To read the entire article, click on the headline.]