Blondie (Music Downloads Not Rated by the ESRB) Join the movement and get the best dance music. Expand your track list to keep the dance party going! Download a free demo of "Heart of Glass" - Blondie. Written by Deborah Harry and Chris Stein. © 1978 Chrysalis Music on behalf of itself and Monster Island Music Publishing Corp. (ASCAP). All rights reserved. Used by permission. Courtesy of Capitol Records. Under license from EMI & Television Music.