Signum Quartet was created in 1994.
Opel Signum was created in 2003.
Signum Magnum was created in 1967.
Signum Framework was created on 2009-03-09.
The Dante Quartet was created in 1987.
Tátrai Quartet was created in 1946.
The Stringbeans Quartet was created in 1999.
Végh Quartet was created in 1940.
Time Quartet was created in 1962.
Abercrombie Quartet was created in 1980.
Trouvère Quartet was created in 1987.
Shanghai Quartet was created in 1983.
Pacifica Quartet was created in 1994.