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
Classical Mandolin Society of America a Convention in a different city in North America each year. Among other functions, the CMSA Convention hosts an En Masse Orchestra, which for its brief existence each year, is the largest mandolin orchestra in the United States, and has historically included as many as 180 musicians. The CMSA serves as a source of information about how to find or create mandolin ensembles around the United States, Canada and the world. The organization is staffed by unpaid volunteers and is structured with Officers of the corporation (President, Vice President, Secretary and Treasurer), and a Board of Directors, which currently has