Dragon Ball Z: Wrath of the Dragon

Dragon Ball Z - Doragon bôru zetto: Ryûken bakuhatsu!! Gokû ga yaraneba dare ga yaru is a movie starring Masako Nozawa, Takeshi Kusao, and Mayumi Tanaka. A mysterious being named Hoy arrives on Earth and asks the Z Warriors to use...
The Z Warriors discover an unopenable music box and are told to open it with the Dragon Balls. The contents turn out to be a warrior named Tapion who had sealed himself inside along with a monster called Hildegarn. Goku must now perfect a new technique to defeat the evil monster.