April Harper Grey (born April 21, 2000), known professionally as Underscores (stylized in lowercase), is an American singer-songwriter and producer. She grew up listening to artists like Jack White, Beck, and Madonna, becoming interested in filmmaking and composing music at a young age. Grey began releasing dubstep music on SoundCloud at the age of 13, eventually incorporating other genres. After releasing three extended plays (EPs) from 2018 to 2020, she rose to prominence with her debut album Fishmonger in March 2021. She released its companion EP and opened for 100 gecs on tour later that year. Grey performed her first headlining tour in early 2022 and concluded the "Fishmonger era" with a pop song in early 2023. She released her second album Wallsocket in September 2023 on the Mom + Pop record label. It was promoted with four singles, an alternate reality game, and a tour of North America and Europe.