LOSTBOYJAY, whose real name is Jay Daillie, is a rising Canadian music producer and recording artist from Toronto. He began his musical journey at the age of 13, producing Hip Hop and RnB tracks for emerging artists he connected with through social media platforms. Over time, LOSTBOYJAY transitioned into creating his own music, initially focusing on trapsoul before discovering a passion for House music in 2021. His breakthrough came with the release of "Could Be Wrong," which garnered significant attention and led to a record deal with Polydor Records.

Known for blending emotive vocals with lush, atmospheric production, LOSTBOYJAY has built a following by seamlessly merging Hip Hop, RnB, and Dance genres. His music has amassed millions of streams, and he has collaborated with notable artists like Billy Raffoul on tracks like "Say Goodbye." LOSTBOYJAY's live performances have also gained traction, including opening for artists like Benny Benassi and hosting viral shows in unique venues like Toronto's Lower Bay Subway Station.