When she came back from the tour, Underwood took a short break, and then she announced that she’s working on yet another album; the new project was inspired by her role in the musical The Sound of Music (2013). The album Greatest Hits: Decade #1 included the singer’s most famous hits entagled with a couple of new tracks. The most popular track from this album was Something in the Water, which dominated several song charts in the US.
She reinforced the success of her album with a world tour, which went on more than a year. Underwood held about 114 concerts across North America, Europe and Australia.