I have a personal love for songs that presented themselves as ordinary romantic love songs, but were really about a deeper love, & often loss. Two great examples: "Sunny" by Bobby Hebb, on the surface just another love song, actually inspired by the death of his brother (& some say also informed by the assassination of JFK: http://en.wikipedia.org/wiki/Sunny_%28song%29 )

Similarly, Bread's "Everything I own" was inspired by the death of the father of composer David Gates http://en.wikipedia.org/wiki/Everything_I_Own

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