If one were to immerse themselves in the environment of modern popular music, one would find that there is a dynamic and broad assortment of voice expressions. On rare occasions, though, one person may rise from the middle of multiple voices with great clarity and charisma, compelling others to listen to what they have to say. Katie Belle is making waves with her entrancing new...

Growing up changes the meaning of a late night. The Mack Brothers seize that feeling on “Sleepless in Seattle,” an indie rock single from Philadelphia brothers John and Matthew Mackara. The title comes from John’s own phrase for those anxious, can’t-switch-off hours, and the song’s stated concern is the friction between the past and the present. That premise hits hard because it is familiar without being...