Electromagnetic (EM) radiation is a form of energy that is all around us and takes many forms, such as radio waves, microwaves, X-rays and gamma rays. Sunlight is also a form of EM energy, but visible light is only a small portion of the EM spectrum, which contains a broad range of electromagnetic wavelengths.
Emmylou Harris. Emmylou Harris (born April 2, 1947) is an American singer and songwriter. She has released many popular albums and singles over the course of her career, and she has won 13 Grammys as well as numerous other awards.
Biography by Jason Ankeny. The one-time singing partner of Gram Parsons who became an enduring force in progressive country by the end of the 1970s. Artist Biography by Jason Ankeny. Though other performers sold more records and earned greater fame, few had as profound an impact on contemporary music as Emmylou Harris.