The song "Ain't No Mountain High Enough" by Michael McDonald tells the story of unwavering love and dedication. The lyrics convey a message of absolute commitment to being there for a loved one no matter the distance or obstacles they may face. The singer assures their loved one that they will always be there for them, no matter what challenges come their way. They promise to go to great lengths to ensure their loved one is taken care of and supported, showcasing a strong sense of loyalty and devotion. The chorus repeats the idea that nothing can stand in the way of the singer's love and determination to be there for their loved one. The lyrics emphasize the unbreakable bond between the two individuals and the singer's willingness to overcome any obstacle to be by their side. Overall, the song conveys a powerful message of love, support, and the unyielding commitment to always be there for the person you care about. It reflects the depth of emotions and the lengths people are willing to go to in order to show their love and support for others.