Bradley Manning's letter, entitled The Next Stage of My Life, was signed with a handwritten signature in the name of Chelsea Manning.
The letter was broadcast on NBC's Today show as Manning's lawyer revealed the soldier's desire to live life as a woman.
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The 24-year-old's music has notched up more than three billion plays and more than 59 million listeners since the service started in 2008.
Blustery, wet and wintry across Scotland today - the sleet and hill snow turning back to rain.
A van driver was caught on camera swerving and weaving across three lanes of a motorway during a high speed police chase.