Errors in pitch may stem from vocal problems, lack of coordination between voice and ear or pitch recognition problems. Learn the difference between sharp, in tune and flat in this free video on singing lessons. Expert: Tricia Grey Contact: singlikeastar.com Bio: Tricia Grey has exceptional qualifications as a voice teacher, with a Master’s Degree in Music and a lifetime of experience singing, performing, and producing artists. Filmmaker: Aaron Sinn Series Description: Whether you’ve never sung in your life but would love to become the next American Idol, or you’re an advanced student seeking to hone your technique, you’ll benefit from these vocal exercises and demonstrations. A professional singer and singing teacher shows you how to shine in this free video series.