1, with different characteristics: long pitch, wide range, beautiful melody, large melody fluctuation and long rhythm, while short notes are concise, less decorative sounds, small melody fluctuation and standardized rhythm.
2. Express different emotions: Long-tune lyrics mostly describe grassland, cattle and sheep, blue sky, lakes and other scenery, while short-tune lyrics mainly express all areas of life, including love songs, wine songs, wedding songs, lullabies and other songs.