Blues lead guitar - lesson 6

Blues in the key of A - backing track lesson 6.
This is the fifth lesson in the Blues soloing series with free rhythm tracks for guitar soloing. Suggested scales are presented as well as other instructions. Real-time information abut chord changes are presented to help you.

12 bar blues in A jam track (using extended scale)


"Slow Swing Blues"

Display chord changes: To see the chord changes in the field below the sound control element, you need to press the "Display chords in real-time"-button directly after you start the jam track.
A Pentatonic Minor scale with note letters diagram
Instructions: You can play the A Minor Pentatonic over all chords, but D7 will clash with the 5th scale degree (G), which can generate dissonance. Because of this, try to avoid G or replace G with F# over the D7 chord. Another possible adjustment is to add the G# note over the E7 chord.

Jam track info

Instruments: Bass, drums and rhythm guitar
Chords: A7 - D7 - E7
Tempo: 60 BPM

Explanations

Primary and secondary notes - One of the most essential aspects of soloing over scales is to accentuate notes in the chords. So, if the A7 chord is played, A, C#, E and G are especially critical notes. The remaining notes in the scale are also important, but can be seen a secondary. The secondary chords are although important to bind together phrases and can be seen as passing notes.

Scale and chord relationship - Scales that are suitable to use over chords are normally including the same notes as the chords, or at least including the majority of notes as the chords. Look at the following comparisons:

Am Pentatonic scale degrees and notes.

1 b3 4 5 b7
A C D E G

A7 chord chord intervals and notes.

1 3 5 b7
A C# E G

D7 chord chord intervals and notes.

1 3 5 b7
D F# A C

E7 chord chord intervals and notes.

1 3 5 b7
E G# B D

Interestingly, in blues, a minor scale (which tends to be a pentatonic scale type) is often used over major or dominant chords, which generate several note mismatches. But since it sounds good, this is not a problem. But one way to relate to these divergences is to adjust the soloing depending on which chord is played over. Details can be seen under "instructions" in the specific jam track window.

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