The song "Safe & Sound" is a comforting ballad that speaks about being there for someone in a time of darkness and offering a sense of safety. The song also has elements of a lullaby, with Taylor Swift's soothing vocals being accompanied by a gentle acoustic guitar.

In the first verse, Taylor Swift recalls a moment when she promised to never abandon someone. The person was going through a tough time, and the singer was their source of comfort. However, as time passed, the troubling situation ended, and the singer is now reflecting on that time.

The chorus is a message to let go of any fears and trust in the present moment. Even when things are scary and uncertain, the sunrise the next day brings a new sense of hope, and you can always find safety and comfort with somebody you trust.

In the second verse, there is a sense of danger looming outside, and the person is urged to close their windows and keep themselves safe. Despite what is happening outside, the music offers a sense of peace and serves as a constant reminder that everything will be alright.

Overall, "Safe & Sound" is a reassuring song about being there for someone during tough times and offering a sense of solace through music and companionship.