Marilyn Shenenberger, collaborative accompanist and arranger, has been an integral part of James Jordan's cutting-edge work in the field of Choral Ensemble Intonation. She has written and recorded the Accompanist Supplement for The Choral Warm-Up Core Vocal Exercises and Learn to Listen, a book designed to provide singers with a harmonic introduction to solfege. She is also co-author with Dr. Jordan of Ear Training: Aural Immersion Exercises for Choirs.

Shenenberger holds a Master of Music in Choral Conducting from Westminster Choir College and a Dalcroze Teaching Certificate from the Dalcroze School of Music in Manhattan. In addition to her accompanying work at Westminster Choir College, she is principal organist at Morrisville Presbyterian Church (PA).