Schenkerian analysisSchenkerian analysis
is an approach to musical analysis
devised by Heinrich Schenker
. It reduces all tonal
music to a simple progression based on the tonic triad
which in its simplest form is:
This reduction to a piece's basic essence (which Schenker called the Ursatz) is arrived at by taking the original piece as written by the composer and progressively stripping away levels of decoration.