Angelo Piazzini 
Building The Embouchure for Tuba (E-book 1) [EPUB ebook] 
in major

All my teaching methods are intended as ready-to-use manuals.
I should therefore specify that it isn’t necessary to follow the order of the exercises indicated, rather you can choose to start from one exercise instead of another and/or draw up a “customized” daily sequence, playing those that are most useful and work best for you, or pick exercises depending on your activities, be they lessons, auditions, competitions or concerts. It is advisable to start from a comfortable speed — I would say 70 — 75 on the metronome — and then increase it a little at a time, speeding up gradually.
As for the dynamics, it is advisable not to overdo it. Experience dealing with these exercises suggests it’s preferable to tackle them working with a range from mp (mezzo piano) until you reach a maximum of f (forte), or from p (piano) to mf (mezzo forte) .
This method, like my others, provides students with exercises to consolidate a winning ‘daily routine’ that’s personalized for every instrumentalist, developing those individual aspects that we need every day in performance practice: attacks, legato, octaves, register, control and embouchure.
These exercises constitute a useful daily practice routine, aimed at training, developing and maintaining a good and correct embouchure.
Angelo Piazzini