The 5th Annual Tucson Gem and Jam will take place from February 6-8 in Tucson, AZ. The event offers three evenings of music on the same weekend as the area’s International Gem and Mineral Exposition, which draws over 30,000 attendees. Performances will take place at Plush on February 6th and then move to the Rialto Theatre on February 7-8. While the final schedule has to be announced, bands who will participate include: Ghostland Observatory, Greyboy Allstars, Mad Professor, Pnuma live PA, EOTO, Lipp Service, Prefuse 73 and Ana Sia. The Rialto also will host a number of gem and mineral dealers and art vendors along with an outdoor stage on Saturday.