a certain type of pulmonary disease causing bacteria can devople with in an uncleaned brass instrument
Brass instruments do not have reeds, some woodwind instruments do.
Because they're made of brass.
The brass instruments did not have valves before the Romantic period. Therefore, those were not chromatic instruments approximately before 1800's. Compare lines for brass instruments in Chopin's music with that of Mozart which proves the fact.
Yes, brass instruments are loud
They are not brass instruments. They are woodwind instruments.
Actually, brass can sound either bad or good, depending on the person playing the instrument. But if all brass sound horrible to you, then it is just your opinion, not actual fact.
because they are made of brass
Brass
Brass instruments are primarily made of brass, which is a metal alloy of copper and zinc. They are called brass instruments because the majority of their construction is made of brass, even though some parts, like valves and slides, may be made of other materials such as steel or nickel silver.
A trombone has a slide, which other brass instruments lack.
In a brass band the instruments are brass (goldish) and in a silver the instruments are silver, but not always as people may not like silver instruments like ME !
With brass metal molded