Banshee! IDeale™, tenor-scale, acoustic/electric, 5-string keystone™, in poplar and redwood. detail images “Banshee!” is named after a pig. A guinea pig actually, who belonged to our good friend Sarah Maisel. This ukulele is our very first IDeale 5-string and our first cutout Keystone. Interested in your own Iriguchi Ukulele?