English is the main language of Grossmont Royal Blue Regiment facebook group. Having alot of group type in Facebook: close, open and secret and it is a CLOSED group. There are 231 participants in that group. So it is a Tiny group. You can find this group by searching 91033352985 on Google, Bing or Yahoo. 2015-01-09 10:37:04 is the closest date we have information about it.
Music/ Marching
http://www.ghsmusic.org/
With over 80 years of tradition, the Royal Blue Regiment continues to be one of the oldest Marching Bands in San Diego County.