-"Old Town Road"
-Lil' Nas X & Billy Ray Cyrus
-2019
-cross fertilization of genres
-was on the top charts for country and now on the top charts for R &B, hip-hop, and rap (formally Race Records)
-"Tear in my Beer"
-Hank Williams Jr and Hank Williams
-1989
-originally recorded by Hank Williams in the 50's before he died, his son re-recorded it with both and it won a bunch of awards and grammies.