Nina is a Yamaha AEX 500N Nylon String Electric/Acoustic Guitar. Strung with nylon strings, this guitar achieves a harp-like voice. It is a simple instrument with a single peizo pickup in the bridge. Nina’s voice is simple and pure, like a Celtic harp. Listeners often remark on the pleasant quality of this type of guitar. Nina is my favorite for solo situations. She is not a rocker but she is perfect for Brazilian jazz, acoustic blues, and other acoustic tunes.