Make no mistake, Gunnar and Matthew Nelson are back. Yes, the multi-platinum-selling twin-brother duo—formerly known as Nelson—is once again in the spotlight. Last December, the brothers scored the surprise hit of the holiday season with “This Christmas,” an original tune that gave the duo their first Top 25 single in more than 20 years. More importantly, the song—and the album from which it sprang—is merely the opening salvo in an exciting new musical direction, a stripped-down approach that emphasizes the Nelson twins’ utter uniqueness while furthering longstanding family traditions.