Sanders, who created and stars in the piece, posted on Twitter, "hey all! rock the audition in concert is cancelled for the NYMF festival. i have a fever and i dont perform sick."

"In this riveting musical evening," press notes state, "acclaimed actor and teacher Sheri Sanders offers an exclusive preview of the rock concert that will take her around the country on tour with her Hal Leonard published book, 'Rock The Audition, How to Prepare for and Get Cast in Rock Musicals.' Rock The Audition -- In Concert is a captivating journey through the decades of rock music and pop culture, and its influence on Sheri as a person and an artist. Brimming with dexterity and wit, her concert arrives as the timely answer to the wedding of rock music and contemporary musical theatre."

The production was to feature direction by DJ Salisbury with music direction by Wendy Bobbitt Cavett.

Sheri Sanders has played Kitty Genovese in The Screams of Kitty Genovese (NYMF), Little Becky Two Shoes in the national tour of Urinetown, a hippie in both HAIR with Encores! and in Kerrigan-Lowdermilk's The Woman Upstairs (NYMF) and more.

Rock The Audition is being presented by NYMF, in association with Rich Affannato.

For more information visit www.nymf.org/rocktheaudition.