In music, timbre is the quality of a musical note, sound, or tone that distinguishes different types of sound production, such as voices and musical instruments, string instruments, wind instruments, and percussion instruments.
In simple terms, timbre is what makes a particular musical sound different from another, even when they have the same pitch and loudness.
Hope that helped!! :)
False. they still exist today, and they existed before the 1980s as well :)
Can you please give more details so I can help
They mad American Idiot to showcase Greendays music and because they wanted to create a new type of musical that expresses many different things