How is a blues scale constructed?

Music

Where is this famous blues artist Miles Davis from?

Which pitches are heard in the G major scale?

Which pitches are heard in the G major pentatonic scale?

Which pitches are heard in the G major blues scale?

What types of instruments were used in early blues music?

Which instrument did blues artist Milt Jackson play?

A main melody or theme that will repeat throughout a blues song.

How many bars is the "Bags' Groove" head?

If in "Bags' Groove" the head was originally played by the vibraphone, which instruments would play the accompaniment?