Original sentence: In October '06 the band were invited to play at the Cervantino festival in Guanajuato, Mexico; the concert was seen live by over 10,000 people and broadcast on radio and tv
Edited sentence: In October 2006, the band were invited to play at the Cervantino festival in Guanajuato, Mexico; the concert was seen live by over 10,000 people and broadcast on radio and tv