Fade (audio engineering)
A recorded song may be gradually reduced to silence at its end (fade-out), or may gradually increase from silence at the beginning (fade-in). For example, the songs "Bitter Sweet Symphony" by The Verve and "Turn to Stone" by Electric Light Orchestra fade in from the beginning, while the songs "Born to Be Wild" by Steppenwolf, "Boogie Oogie Oogie" by A Taste of Honey, and "Hey Jude" by The Beatles fade out. However, "Born to be Wild" and "Boogie Oogie Oogie" fade out in a matter of seconds, whereas "Hey Jude" takes over 2 minutes to completely fade out. "Goodbye Stranger" by Supertramp takes about a minute to fade out. Fading-out can serve as a recording solution for pieces of music that contain no obvious ending.