 Each member has graduated from Lindenwood University in St. Charles.Each member is also a member of Ambassadors of Harmony, the International Chorus Champion of 2004, 2009, 2012, and 2016.As of the 2006 International Quartet Contest, Vocal Spectrum is the only quartet in history to capture three of the then-four (now five) possible BHS gold medals (Collegiate Quartet, Quartet, Chorus [as members of the Ambassadors of Harmony]).