Five Voices...No Instruments. Never Underestimate the Power of the Human Voice. The Grammy nominated group and a cappella phenomenon, Toxic Audio, explores the boundaries of the human voice. Winner of the 2004 Drama Desk Award for "Unique Theatrical Experience," they were rated Number One in the Wall StreetJournal/ Zagat Theater Survey surpassing The Lion King and Beauty and the Beast. Experience the excitement and amazement of Toxic Audio!