Vocal Spectrum was created in 2003.
Vocal Point was created in 1991.
Vocal Performances was created in 1981.
Artists' Vocal Ensemble was created in 2004.
Academy of Vocal Arts was created in 1934.
The Scholars - Vocal Group - was created in 1968.
Ensemble Vocal Katimavik was created in 1970.
Emersons - vocal group - was created in 1957.
Cantus - vocal ensemble - was created in 1995.
Quintessential Vocal Ensemble was created in 1993.
The Spectrum Song was created in 1961.
Spectrum Technologies was created in 1987.
Spectrum Comics was created in 1983.