metronome and mouthpiece of a trumpet on a blank white

accuracy audio background band bar beat bell black blow brass brassy brown buttons cadence checking classic classical clock counting craft equipment gold golden horn instrument isolate isolated jazz larghetto learning measurement measuring metal metronome moderato motion mouthpiece music musical note object old orchestra part partial pendulum piano pipe pistons play practicing precision prestissimo pulsating regularity rehearsal rhythm scale shining silver slow soprano sound speed swinging symphony tempo three time timer trumpet tube tune urgency valve white wind wood wooden