Mandolin-banjo became more popular. In the heyday of mandolin orchestras and banjo bands (late 19th–early 20th century), all sorts of instruments were produced. The mandolin-banjo is one of the hybrids that resulted. It enabled mandolinists to produce a banjo sound without having to learn that instrument's fingerings. The instrument adds the banjo's volume to the mandolin. The banjolin is different from the banjo-mandolin in the number of strings that it has. Banjolins today are supposed to have four strings instead of 8 strings (in courses or pairs). However, that distinction is not universal; the "banjolin" name was patented in 1885 by
Bluegrass mandolin Bluegrass mandolin Bluegrass mandolin is a style of mandolin playing most commonly heard in bluegrass bands. At the beginning of the twentieth century, mandolin orchestras were popular throughout North America. Large numbers of mandolins were sold, particularly by the Gibson Guitar Company, which manufactured and promoted a new type of flat-backed mandolin. After a time, the mandolin orchestra craze died out, but the mandolins remained. In the southern United States, they began to be used in the performance of traditional mountain folk music. At the end of the 1930s, a new musical genre which combined Scottish and Irish fiddle tunes,