The mouths are different, but they are all the same. It should not be difficult to learn to play saxophone, but it must be done step by step according to the requirements of the specification. Its five elements are the same as playing the cucurbit silk: qi, lips, tongue, fingers and playing. Among them, the difficulty of getting started is mainly reflected in the lips (that is, the mouth shape). Because you have to make a normal voice before you can proceed freely. Therefore, beginners must spend two days practicing mouth shape, that is, single flute head (mouthpiece). Further down, it will be very comfortable. Blowing cucurbit silk: Don't drum your cheeks when eating cucurbit silk, otherwise it will be ugly and affect the performance of the song. Pay attention to mood and ventilation when playing music, otherwise the timbre will not be beautiful, or gas will gather in the body, making people "sound up". As for your third question, my opinion is no.