\input luaotfload.sty

\hsize=345pt

\font \r  = {name:TeX Gyre Pagella Regular:mode=base}  at 10pt
\font \i   = {name:TeX Gyre Pagella Italic:mode=base}   at 10pt

\r
P displaces the non-{\i ic5\/} pitches in a triad,
For the sake of examples, we assume the first chord in the
transformati

\bye