The treble part is generally the main melody played by the lead guitar solo is also a part of it
The bass part is played by the bass guitar
But if there is only a treble and a bass part of the music will be incredibly empty
So the treble and bass part of the middle of the alto part and tenor part
The two parts are made by the rhythm guitar, and the rhythm guitar is used to make the rhythm guitar and tenor part.
These two parts are played by the rhythm guitarist
The backing track is usually drums and bass and rhythm guitar
The backing track is where you take the main melody of a song that is played by the lead guitar, remove it, and then you play the main melody to the backing track yourself!
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