You can “say goodbye” while “saying hello” to the young phenom known as Sarcastic Sounds. The 21-year-old producer, singer, and songwriter just released his latest single, “say goodbye,” in May, a nice slice of lo-fi indie pop, melded together with hip-hop beats. The single’s video, featuring some sky-high visuals familiar to any resident of Toronto, shows the clever young artist strumming away at his ukulele while walking around atop a downtown rooftop. “say goodbye” has become one of the surprise hits of the summer, partially thanks to TikTok where it accumulated over four million views after it was posted. The song continues an impressive streak of releases for Sarcastic Sounds, following the January release of “change ur mind,” featuring Claire Rosinkranz and Clinton Kane, as well as “...