The dancing "shoes on shoes" part probably refers to two people growing and learning how to dance to the sound of an old vinyl player... while the sleeping "arm in arm" refers to these two people just being together while avoiding the horrible-ness of the world
The dancing "shoes on shoes" part probably refers to two people growing and learning how to dance to the sound of an old vinyl player... while the sleeping "arm in arm" refers to these two people just being together while avoiding the horrible-ness of the world