Beginning is a music theme composed by Konami Kukeiha Club. Its first appearance was in Castlevania III: Dracula's Curse during the first stage. It is considered as Dracula's Curse and Trevor Belmont's main theme and many arrangements of it have appeared throughout the Castlevania series.
- Akumajō Dracula: The Arcade - The theme when fighting the Water Dragon.
- Monster Retsuden ORECA BATTLE - The theme when fighting Dracula.
- The background music for the first stage in Kid Dracula (Game Boy) (Famicom and Game Boy versions) uses a couple of arranged sections of "Beginning".