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....

When Los Angeles's Love Ghost made their new song "Dopeman," they mixed the raw energy of alternative rock with the pounding beats of Afrobeat in a way that is both bold and surprising. Ghanaian musician Camidoh and DJ Switch Ghana, who is also from Ghana and has great turntable skills, work together on this international project. It has a rhythm that is both creative and...