fiddle/violin
The instrument you are referring to is the "triangle." It is a percussion instrument made of a metal rod bent into a triangular shape and played by striking it with a metal beater. The triangle produces a bright, ringing sound and is commonly used in various musical genres, including orchestral and folk music.
Sarangi
The instrument that is least common in bluegrass, folk and country music is the xylophone. The xylophone is a rare instrument on most of the music that is home to the Ozarks and most of the USA.
A zurna is a double-reed wind instrument in Anatolian folk music.
There are various genres of music, including classical, jazz, rock, pop, hip-hop, and folk, each with its unique characteristics and cultural backgrounds. Instruments vary widely across these genres; for example, classical music often features orchestral instruments like violins and pianos, while rock music typically includes electric guitars and drums. Jazz incorporates instruments like saxophones and trumpets, while folk music often utilizes acoustic guitars and banjos. Each genre and instrument contributes to the diverse tapestry of global music.
The strongest difference is the musical instruments, Greek folk has bouzouki ( an instrument that I do not know if exists in any other country) and the lyrics are also different, they have different meanings Anyway, it's difficult to tell the differences without hear them both.
Yes, the Shetland fiddle is considered a folk instrument. It is deeply rooted in the traditional music of the Shetland Islands, Scotland, and is characterized by its unique playing style and regional melodies. The instrument is often used in local folk music gatherings and celebrations, reflecting the cultural heritage of the Shetland community. Its popularity has contributed to the revival and preservation of Shetland's musical traditions.
The Violin
A balalaika is a stringed instrument, similar to a guitar (but with fewer strings). It's usually used for Russian folk music.
The banjo is traditionally a 5 stringed instrument that is often heard in country, bluegrass, and folk music.
It can be all of them. Traditional folk music is usually singers and instrumentalists and generally has an unknown composer, but 20th century folk music is very similar, except we know of the composers.
It can never be an instrument.