2. The range of performance is different. E-flat alto saxophone saxophone is generally used to play some deep and sad songs, while B-flat alto saxophone has a wider range.
3. The number of bands is different. In a wind band, there are fewer alto saxophones in B flat than in E flat.
Extended data:
Playing posture:
1. When standing, your legs should be shoulder width. When sitting, your legs should be slightly outward and touch the ground in a 90-degree bow. The body should be naturally straight, and the back, chest, waist and abdomen should not be bent.
2. The angle of the flute head should be based on the natural exhalation and the airflow direction of the flute head tuyere, because the airflow direction is slightly downward, the flute head and neck tube should naturally be consistent with the airflow direction, and a slight downward inclination is the best angle, about 45 degrees.
3. During the performance, the fingers, wrists and arms should be relaxed, the left and right hands should naturally bend, the knuckles should be slightly lifted, and the joints should not be flat or fall off. Fingers should have a sense of rhythm, not too strong. Don't be stiff, don't lift your fingers too high.