You may have heard of country music star Morgan Wallen’s Last Night– it’s getting heaps of attention on commercial radio at the moment – so much so that it’s actually broken a big record in the US… After marking its 16th week at the top of the Billboard Hot 100 charts, the song has now had the longest #1 run for a song that’s not a collaboration by artists, overtaking Harry Styles’ smash hit As It Was. Another country earworm – Lil Nas X and Billy Ray Cyrus’s Old Town Road – stands in Wallen’s way as the tune with the most weeks in the top spot at 19 weeks. Last Night is the latest country music song to cross the bridge from country to pop – and there are others having similar success. Spotify says Wallen and fellow country star Luke Combs have joined Taylor Swift, Drake and The Weeknd in the top 5 most-streamed artists in Oz. Which isn’t that surprising considering Combs’ recent sold-out Aussie tour – including a poorly-timed Sydney date…