“Expatriate” is a melodically dreamy pop song hushed by what sounds like percussion played with padded mallets and simple keyboard notes backed by a clean and subtle plucked guitar riff. This is my introduction to Shayna & The Bulldog, so it was initially surprising to hear the song break into a full-fledged romp half-way through the song. Dream-pop melodies becomes bouncy, powerful indie-pop. It’s this power pop sound that is the norm for this band, but the dreamy elements are what make “Expatriate” the perfect summer song, …