Meaning of "MLK" by U2

The lyrics of "MLK" by U2 convey a message of hope and peace. The repetition of the lines "Sleep, sleep tonight, and may your dreams be realised" serves as a comforting lullaby, encouraging rest and the fulfilment of aspirations. The mention of a thunder cloud passing rain and the subsequent invitation for it to rain down signifies the idea of cleansing and renewal, with rain symbolizing a purifying force that can bring growth and nourishment. By embracing the rain, the lyrics suggest a willingness to accept challenges and setbacks as part of the journey towards realizing dreams. Overall, the song's gentle and soothing tone encourages listeners to find solace in rest and to remain hopeful even in the face of adversity.