The track is a 3:06-minute dance-pop single produced by a powerhouse team including Corry himself, Digital Farm Animals, Lewis Thompson, and Neave Applebaum.
On November 18, 2022, a special version titled "Lionheart (Come On England)" featuring commentary from Martin Tyler was released to support the England national team during the 2022 FIFA World Cup. Production and Composition Joel Corry & Tom Grennan - Lionheart (Fearless)
Tom Grennan noted that the song was written to help listeners "kick back in the face of adversity". The track is a 3:06-minute dance-pop single produced