We all recall the hullabaloo that arose when Rolling Stone declared Nashville’s the “Best Music Scene” in the country at about this time last year. And while the write-up in question is referenced in the trailer for Music City Underground, the film appears to focus on some artists who weren’t featured in the spread — which is nice, considering the fact that RS mainly wanted to talk about chart-toppers like Kings of Leon, Ke$ha, The Black Keys and Jack White. Regardless, MCU has a lot of very fine performers, from familiar faves like Evan P. Donohue, Natalie Prass, The Apache Relay, Colorfeels, Andrew Combs, VITEK and The Westbound Rangers to artists who are at least a bit newer to us (Sons of Lions, Jessica Breane and the Electric Hearts, Sharone Digitale and Matt Campbell). Shot in March 2011 by Houston Mathews, Music City Underground features performances from the 11 aforementioned Nashvillians. It will debut April 19 at the Nashville Film Festival (see cover story on p. 19), and will screen again tonight at Mercy Lounge. Tonight’s screening will also feature performances from Donohue, VITEK and The Electric Hearts.