The song "#ByYourSide" is a collaboration between Tom Grennan and Harris. The instrumentation includes fast-paced drums, accompanied by electronic synthesizers and soft guitars. The lyrics are about being there for someone and not abandoning them when they need to. The melody is catchy and Grennan's vocals are powerful and emotional. #Review
Although "By Your Side" is a collaboration between Tom Grennan and Harris, the song was originally written by Tom solo. According to him, he was nervous about presenting it in the studio, but Harris loved it and together they brought the current track to life. #Fact