The song "Next Door Neighbor Blues" by Gary Clark, Jr. tells a story of a man who receives a call from his neighbor informing him that his lover has left him. He then discovers that his partner had taken the keys to his Cadillac and left his clothes on the lawn. Later, when he returns home, he finds his partner waiting for him with a loaded pistol pointed at his head. She demands that he confess to something he has done, threatening to kill him if he doesn't comply. The lyrics suggest that the protagonist should have recognized the signs of trouble and realized that something was wrong. This implies that there may have been a breakdown of trust and communication in their relationship. Towards the end of the song, the protagonist suspects that his lover has moved in next door with someone else, which adds to the emotional turmoil he is experiencing. Overall, "Next Door Neighbor Blues" portrays a tale of betrayal, fear, and suspicion within a troubled relationship. The lyrics emphasize the importance of paying attention to warning signs and being aware of the actions and motives of those close to us.