3/4 Scale Folk Guitar. The Yamaha JR2 3/4 scale acoustic guitar is a compact acoustic guitar modeled after the long selling Yamaha FG series. Its compact size and authentic acoustic tone make the JR2 and excellent take along, play anywhere guitar. Great for campfire sing-alongs, road trips or anywhere you want to be able to play. A mahogany Ultra Thin Finish (UTF) on the back & side offers beautiful looks. Includes a gig bag.