A 7♯9 on E9 pedal steel
A 7♯9 = A · C · C♯ · E · G (root, 3rd, 3rd, 5th, 7th). 790 playable voicings on the standard E9 copedent — the best 12 by neck position below.
Low neck (frets 0–7)
Fret 3 · B + RKRB raises strings 3 & 6 a half step (G♯→A)RKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)Fret 3 · B + LKL + RKRB raises strings 3 & 6 a half step (G♯→A)LKL 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 7 · B + C + LKL + RKRB 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♯)LKL 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 7 · A + B + LKL + RKRA raises strings 5 & 10 a whole step (B→C♯)B raises strings 3 & 6 a half step (G♯→A)LKL 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♯)
Mid neck (frets 5–12)
Fret 10 · B + LKRB raises strings 3 & 6 a half step (G♯→A)LKR lowers strings 4 & 8 a half step (E→D♯)Fret 10 · B + LKR + RKLB raises strings 3 & 6 a half step (G♯→A)LKR lowers strings 4 & 8 a half step (E→D♯)RKL lowers string 2 a half step (D♯→D); lowers string 9 a half step (D→C♯)Fret 6 · C + LKLC raises string 4 a whole step (E→F♯); raises string 5 a whole step (B→C♯)LKL raises strings 4 & 8 a half step (E→F)Fret 7 · C + RKRC raises string 4 a whole step (E→F♯); raises string 5 a whole step (B→C♯)RKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)
High neck (frets 10–17)
Fret 15 · B + RKRB raises strings 3 & 6 a half step (G♯→A)RKR lowers string 4 a half step (E→D♯); lowers string 5 a half step (B→A♯)Fret 15 · B + LKL + RKRB raises strings 3 & 6 a half step (G♯→A)LKL 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 10 · BB raises strings 3 & 6 a half step (G♯→A)Fret 10 · B + CB 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♯)