Pretty Little Head by Paul McCartney is a song that delves into themes of strength, resilience, and self-discovery. The lyrics tell a story about a woman named Lily who is facing fears and challenges, but despite these adversities, she is determined to move forward confidently. The song speaks to the internal battles we all face and encourages a sense of inner strength and calm. Poignant moments in the song include McCartney's repeated reassurance to 'Take your pretty little head' and go on, symbolizing the nurturing and protective sentiments amidst struggles.