Pelvic Inflammatory Disease (PID) PID can be caused by many different bacteria, including Chlamydia and gonorrhea. It occurs when these bacteria move up from the vagina or cervix into the uterus and other reproductive organs.
Pop and Rock Ballads. The term ballad is used in modern music to express an âemotional love songâ. A rock ballad is a modern song in which the word ballad appears in the title of a song, for example in âThe Ballad of John and Yokoâ by The Beatles and âThe Ballad of Billy the Kidâ by Billy Joel.
Ballad, short narrative folk song, whose distinctive style crystallized in Europe in the late Middle Ages and persists to the present day in communities where literacy, urban contacts, and mass media have little affected the habit of folk singing. The term ballad is also applied to any narrative composition suitable for singing.