Even the best singers need to warm up their vocal cords before a performance or recording session. This is because your vocal "cords" are actually muscles, and any athlete can tell you that cold muscles lead to strain and poor performance. Vocal warm-ups are also a good way to get your head in the zone and mentally prepare yourself for performance.
Check out this infographic about warming up the voice. It gives a run-down of some important vocal warm-up, and how to do them. Thanks to Encore Music Lessons for sending it my way!
