Complex sentence: On May 19,2017, Grey released her second single, "Miami," featuring Spencer Kane, and did a debut performance at the Radio Row Opening Ceremony of the Billboard Music Awards at Westwood One Backstage at the BBMAs.
Split into simpler sentences: On May 19,2017, Grey released her second single, "Miami," featuring Spencer Kane. She made her debut performance at the Radio Row opening ceremony of the Billboard Music Awards at Westwood One Backstage at the BBMAs.