A maj7 on E9 pedal steel
A maj7 = A · C♯ · E · G♯ (root, 3rd, 5th, 7th). 598 playable voicings on the standard E9 copedent — the best 12 by neck position below.
Low neck (frets 0–7)
Fret 5 · openFret 5 · LKL + RKRLKL raises strings 4 & 8 a half step (E→F)RKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)Fret 5 · C + LKR + RKRC raises string 4 a whole step (E→F♯); raises string 5 a whole step (B→C♯)LKR lowers strings 4 & 8 a half step (E→D♯)RKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)Fret 7 · B + C + RKLB raises strings 3 & 6 a half step (G♯→A)C raises string 4 a whole step (E→F♯); raises string 5 a whole step (B→C♯)RKL lowers string 2 a half step (D♯→D); lowers string 9 a half step (D→C♯)
Mid neck (frets 5–12)
Fret 11 · B + LKR + RKRB raises strings 3 & 6 a half step (G♯→A)LKR lowers strings 4 & 8 a half step (E→D♯)RKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)Fret 5 · RKRRKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)Fret 7 · RKLRKL lowers string 2 a half step (D♯→D); lowers string 9 a half step (D→C♯)Fret 7 · CC raises string 4 a whole step (E→F♯); raises string 5 a whole step (B→C♯)
High neck (frets 10–17)
Fret 17 · openFret 17 · LKL + RKRLKL raises strings 4 & 8 a half step (E→F)RKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)Fret 17 · C + LKR + RKRC raises string 4 a whole step (E→F♯); raises string 5 a whole step (B→C♯)LKR lowers strings 4 & 8 a half step (E→D♯)RKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)Fret 10 · RKRRKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)