Da Vinci's Notebook (or simply DVN) was a comedic a cappella singing group. Richard Hsu and Greg "Storm" Dicostanzo were both founding members of the a cappella group The Generics from the University of Maryland. Formed in 1993 in Arlington, Virginia, USA, the band achieved early success in the a cappella community with their appearance at the 1996 Harmony Sweepstakes finals. They continued to tour, locally and nationally, for the next ten years.