Learn the fundamentals of music theory continuing with what accidentals are and how they work. Alfie Magliano (Skrizzly Adams, Niykee Heaton, Sean Kingston) discusses the three different types of accidentals including flats, sharps, and naturals. He demonstrates how these change the pitch on a piano keyboard for further clarification. This is just one of 66 comprehensive music theory video tutorials at Music School Online (MSO) teaching pitch, rhythm, melody, harmony, notation, chords, inversions, scales and so much more that unlock the secrets to communicating with other musicians. Utilize these music theory lessons as a reference guide or an all encompassing education. Learn music theory at your own pace whenever and wherever you want.