Broadly, such a dream tends to indicate receiving the best reward for your struggles and entering a worry-free phase, living in comfort, ease, good health, and peace, moving away from bad situations in life and escaping troubles and problems soon, in the best way.
Protect yourself from negative energies that could come into your life today from toxic people.
In classic sources, losing a saxophone in a dream is a symbol of living a major and auspicious working life, facing no difficulty in reaching what is wanted, taking various precautions to prevent hardships from recurring, getting along well with people, doing good deeds, and becoming a respected person among others, knowing how to surpass and neutralize your rivals.
One piece of advice: in love keep calm and don’t go on adventures with people you don’t know well.
Dream Oracle suggests that a dream about losing a saxophone might point to advancing and signing on to highly successful work, family disputes being sweetly settled, peace and happiness lasting a lifetime, gaining profits far greater than you imagined, offering guidance to well-meaning people around you and leading them to success.

