Hi there and welcome to 12-bar Blues Shuffle :)
The 12-bar blues is one of the most popular chord progressions in modern music. This progression has twelve bars cycle and that explains the name. It is also called I-IV-V (one-four-five) progression since we have tonic (I), sub-dominant (IV) and dominant (V) chords, another words, the progression is built on 1st, 4th and 5th intervals of a scale (intervals are marked with roman numerals), so it can be E-A-B, A-D-E, etc.
There are many variations of 12-bar blues, this one is 'quick-to-four' variation, with IV (sub-dominant) interval in the second bar, so the progression goes as following:
01 E I
02 A IV
03 E I
04 E I
05 A IV
06 A IV
07 E I
08 E I
09 B V
10 A IV
11 E I
12 B V
The shuffle rhythm is based on eight-note-triplets, and it's quite powerful in combination with a walking bass and added root/sixth and root/flat seventh chords.
Key signature: E Major
Time signature: 4/4
Tempo: 100 bpm
Just add some drive and let's shuffle, enjoy this lesson. Feedback is welcome :)
Dejan
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