Listening to RIOT SON’s new single, “Loneliest at Best,” is a curious exercise in emotional time-travel. The sound pulls you back to the early 2000s, to a time of angular guitars and heartfelt, frayed-collar vocals. It has that nervous, shimmering energy of indie rock that always sounded best on a pair of wired headphones, the beat prodding you forward even as the lyrics confess...

Flavor Wave’s single, “The Optimist,” arrived less like a declaration and more like someone tentatively drawing back a dusty curtain on a grey afternoon. From West Chester, PA, these five lifelong friends – Kyle Loedel (vocals, lyrics), Matthew Stretch (lead guitar), Patrick Blair (rhythm guitar), Noah Montgomery (bass), and Joshua Speaker (performer/drums) – typically tread alternative rock paths nodding to influences like The Strokes....