Three rises and three falls in music refer to the "modal changes" (different scales) of the music. Three rising and three falling include seven scales: bE, bB, F, C, G, D, and A. The sharp and flat scales contain three sharps or three flats respectively in this range. For example, G major with one sharp, D major with two sharps, A major with three sharps, F major with one flat, B flat major with two flats, B flat with three flats E flat major and so on are all within three sharps and three flats.