Question: What is the vocal range of the performer on the 2010 album "Laws of Illusion"?

Related documents: [0]  [DOC] Sarah Ann McLachlan, OC, OBC (born January 28, 1968) is a Canadian singer and songwriter. Known for her emotional ballads and mezzo-soprano vocal range, as of 2009, she had sold over 30 million albums worldwide. McLachlan's best-selling album to date is "Surfacing", for which she won two Grammy Awards (out of four nominations) and four Juno Awards. In addition to her personal artistic efforts, she founded the Lilith Fair tour, which showcased female musicians on an unprecedented scale. The Lilith Fair concert tours took place from 1997 to 1999, and resumed in the summer of 2010. On May 6, 2014, she released her first album of original music in four years, titled "Shine On". [END] 
[1]  [DOC] "U Want Me 2" is a song by Sarah McLachlan and the lead original single from her 2008 greatest hits album, "". It is also included on her 2010 album "Laws of Illusion". The song was produced by her longtime collaborator, Pierre Marchand. [END]  
Answer: mezzo-soprano
mezzo-soprano