Tom Walker is a Scottish singer-songwriter. He rose to fame after the release of his single "Leave a Light On", which peaked at number 7 on the UK Singles Chart.

On 13 October 2017, Walker released his single "Leave a Light On" on Relentless Records. The single was co-written and produced by Steve Mac.

The music video for "Leave a Light On" was produced by Charles Mehling, and filmed in Croatia. It impacted numerous international charts and was included in his debut studio album What a Time to Be Alive.

In 2019, Walker won the Best Breakthrough Act at the 2019 Brit Awards. His song "Leave the Light On" was also nominated for "Best British Single".