There is more than one artist with this name: 1. Mary Jane is a Latvian alternative rock/grunge rock band from Rīga, Latvia that melts different cultures and backgrounds to make its own understanding of how rock music should sound. The band formed in 1995 and has always emphasized the importance of live performance. Gaining its popularity and cult following from playing gigs, Mary Jane has been frequently referred to as one of the best live acts in Latvia.