- Davis Comic Opera Company ( D.C.O.C. ) has entertained Sacramento Valley audiences since 1973, specializing in the Gilbert and Sullivan repertoire, as well as operetta classics such as Die Fledermaus, The Merry Widow and New Moon, plus more contemporary favorites, like Kismet and Stephen Sondheim s A Little Night Music. The cast, orchestra, crew and production staff of D.C.O.C.'s October, 2001 ...www.daviscomicopera.org