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.
Linda Maria Ronstadt (born July 15, 1946) is an American popular music singer. She has earned 11 Grammy Awards, three American Music Awards, two Academy of Country Music awards, an Emmy Award, and an ALMA Award, and many of her albums have been certified gold, platinum or multiplatinum in the United States and internationally.