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Afro Blue in E
Afro Blue in E — Mongo Santamaria's Afro-Cuban gem in 6/8, transformed into a modal jazz statement by Coltrane. Dorian defines the rocking minor vamp; Harmonic Minor and Minor Pentatonic add blues depth. Changes: Em7 – C7#9/G – B7#9/F# – D – C.
Key of E
E major is arguably guitar's most powerful key. The open low E and high E strings ring sympathetically as the root, while the open B provides the fifth. This triple reinforcement gives E-based riffs and chords unmatched depth and volume. E is a beginner-level key on guitar because both the low E and high E strings ring as the root, and the open B is the fifth — three open strings reinforce the tonic chord. Beginners will find this key approachable since most chords use open voicings with minimal stretching.
Voice Leading
The bass line moves through E to C (descending major third), C to B (descending half step), B to D (ascending minor third), D to C (descending whole step). A half-step bass movement creates a strong leading-tone pull that demands resolution. The mix of stepwise and leap motion balances smoothness with harmonic drive. When the progression loops, the bass returns from C to E by major third.
Scales for Improvisation
E major pentatonic works because every note is either a chord tone or a safe passing tone — there are no avoid notes. For soloing, this means you can play freely without clashing. Over dominant seventh chords, E Mixolydian adds the flat seventh for an authentic blues-rock edge.