music

Orchestra 

An orchestra is a combination of the instruments in the groups called the woodwind, brass, percussion and strings

Woodwind 

Woodwind is 1 of the 4 families of instruments that include flute, oboes, clarinets and bassoons

Strings 

Strings are 1 of the 4 families of instruments and that includes guitar, harp, piano wier and ukelele 

Percussion

Percussion is 1 of the 4 families of instruments that you can scrape, bang or rubbed its like drums 

Brass

Brass is 1 of the families of instruments produces sound by sympathetic vibration of air that you blow onto with sympathetic with the vibration of the player's lips in the brass family that includes the trumpet.