Angel Vivaldi's otherworldly talent and unique and flamboyant style has earned him a reputation as one of the most celebrated and prolific instrumentalist guitarists in modern times. Angel Vivaldi Introduces his New Pro-Mod Signature DK24-6 Nova. Angel Vivaldi's otherworldly talent and unique and flamboyant style has earned him a reputation as one of the most celebrated and prolific instrumentalist guitarists in modern times.