Playing soft on my trumpet but it sounds like im spiting HELP!!!?

ok ive been play the trumpet for a few years now but CAN NOT play softly... everytime i do it sounds like im spitting patheticly.. its not the trumpet or the mouth piece.. (just got a new trumpet and mouthpiece) HELP i really want to fix this

Playing soft on my trumpet but it sounds like im spiting HELP!!!?
lol. ya its usually trumpet players that can't seem to play soft. I play too. your best bet is that if you don't like the way it sounds, stick a cup mute in. This will hide any weird sounds coming from the trumpet and you won't worry about it every time. After about a week you can switch to a straight mute and the next week try it un-muted. This should help extremely and you should be very pleased with your resonant soft sound. If not, then you should probably just give your trumpet a good cleaning.
Reply:use the little cotton brush, (or whatever its called)stick it into the horn and cleanse it, i had that problem a lot in 6th grade, my music teacher told me to do that all the time

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