How to play the lip trill/shake on the trumpet step by step

[@Monkeymario.]

your supposed to make fricative β when playing the trumpet not a trill like ʙ oh i hear waht you mean now

[@da11king]

Trills between middle e and g achieved by aperture control? Speed of air ? or tongue level?

[@henrytrumpetug]

Bro dont stop on this... keep going.... Keep going. You help many of us here incase you didnt know❤

[@marvintrumpeter1013]

Thanks bro 🙏🏾 👍🏽