<Li> Fusion of cultures: Because cultures interact and change over time, traditional songs evolving over time may incorporate and reflect influences from disparate cultures . The relevant factors may include instrumentation, tunings, voicings, phrasing, subject matter, and even production methods . </Li> <Table> <Tr> <Td> </Td> <Td> This section does not cite any sources . Please help improve this section by adding citations to reliable sources . Unsourced material may be challenged and removed . (November 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section does not cite any sources . Please help improve this section by adding citations to reliable sources . Unsourced material may be challenged and removed . (November 2016) (Learn how and when to remove this template message) </Td> </Tr> <P> In folk music, a tune is a short instrumental piece, a melody, often with repeating sections, and usually played a number of times . A collection of tunes with structural similarities is known as a tune - family . America's Musical Landscape says "the most common form for tunes in folk music is AABB, also known as binary form". </P>

The nashville sound came from a revival of traditional folk music