This group was a major influence on generations of guitarists, especially those who play any kind of slide guitar. Jim & Bob, better known as the Genial Hawaiians, recorded a series of sides in the '20s and '30s that tend to be standout numbers on various compilations of Hawaiian guitar or slide guitar. This was a style of music that came about indirectly after the invention of the dobro, originally a metal-bodied guitar with anywhere from one to three cone resonators inside. It was originally designed to be loud enough to cut through a big band, but use of the banjo and more ...