<Tr> <Td> </Td> <Td> This article relies largely or entirely on a single source . Relevant discussion may be found on the talk page . Please help improve this article by introducing citations to additional sources . (July 2013) </Td> </Tr> <Table> <Tr> <Td> </Td> <Td> This article includes a list of references, but its sources remain unclear because it has insufficient inline citations . Please help to improve this article by introducing more precise citations . (July 2013) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article includes a list of references, but its sources remain unclear because it has insufficient inline citations . Please help to improve this article by introducing more precise citations . (July 2013) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> Outlaw country </Th> </Tr> <Tr> <Th> Stylistic origins </Th> <Td> <Ul> <Li> Country </Li> <Li> rockabilly </Li> <Li> rock and roll </Li> <Li> folk </Li> <Li> Americana </Li> </Ul> </Td> </Tr> <Tr> <Th> Cultural origins </Th> <Td> 1960s, Texas and Tennessee, United States </Td> </Tr> <Tr> <Th> Typical instruments </Th> <Td> <Ul> <Li> Guitar </Li> <Li> bass </Li> <Li> drums </Li> <Li> banjo </Li> <Li> vocals </Li> </Ul> </Td> </Tr> <Tr> <Th> Derivative forms </Th> <Td> <Ul> <Li> Texas country </Li> <Li> alternative country </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Other topics </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Country musicians </Li> <Li> list of years in country music </Li> </Ul> </Td> </Tr> </Table>

Musical sub genre for waylon jennings and merle haggard