Elderly Instruments is a musical instrument retailer in Lansing, Michigan, United States, with a reputation as a "megastore", a repair shop and a locus for folk music including bluegrass and "twang". Specializing in fretted instruments, including acoustic and electric guitars, banjos, mandolins, and ukuleles. Elderly maintains a selection of odd or rare instruments. Elderly is known as the premier repair shop for fretted instruments, as one of the larger vintage instrument dealers in the United States, and as a major dealer of Martin guitars in particular.