The Legend of the Titanic is an animated, reimagined depiction of the notorious maritime tragedy that occurred in 1912. This 1999 Italian animated feature is more than just a retelling of the disaster; it adds magical elements and fictitious plot twists to the real-life tragedy that have sparked interest and controversy in viewers across the globe.

The story primarily revolves around the famous Titanic ship and its maiden voyage, but the plot unfolds through the eyes of anthropomorphic mice and other character creatures. Throughout the narration, various animal characters lend a voice to the story, making it accessible and engaging for younger viewers. In true animation spirit, the film also incorporates mystical sea creatures, corrupt sharks, and a whole underwater kingdom, magnificently stretching the boundaries of the original Titanic tale.

The film's protagonist is a young, charming mouse named Top Connors who lives in Southampton, England. Globe-trotting Connors returns home just in time to board the iconic ship. The character of Top Connors has been given a financial background, working in ship trading. Meanwhile, the wealthy mouse Ronnie instantly captivates Connors' heart. The romantic intertwining between the two mice forms an essential subplot as the story progresses.

Further diversification of characters is offered with the addition of humans such as the Duke and Elizabeth. Elizabeth's beauty is universally admired, a trait that leads to an important turning point in the movie. A romance brews between Elizabeth and Don Juan, a gypsy. The love that blooms between these two instigates a multitude of events, making their relationship a focal point of the film, key to both the development and denouement of the plot.

On the more mystical side, the underwater world plays a significant role in the film. The audience is taken to an aquatic kingdom ruled by an old king assisted by a council of wise elders. This mystical undersea world is beautifully illustrated, with character depictions of talking dolphins, conspiring sharks, and radiant sea creatures. There's depth in the animation, a vivid use of color and surreal imagery that creates an interesting contrast to the realism of the Titanic.

In an unconventional portrayal of the disaster, the engagement of a deceptive gang of sharks becomes an integral part of the storyline. Their affiliation with the ship's wreck brings a unique twist to the actual cause of the Titanic's sinking. This fictional narrative twist, which greatly diverges from the historical truth of the incident, makes The Legend of the Titanic a cinematic piece that is at once historical and fantasy-based.

The Legend of the Titanic is also highlighted with moments of melodrama, tragedy, moments of hope, and displays of courage. It attempts to balance the real historical catastrophe with the lighter parallel narrative of the mice, the love stories, and the undersea world.

Musically, the film offers a richly composed soundtrack that amplifies the sentimental and dynamic moments in the movie. These memorable compositions enhance the viewing experience, making it an audio-visual treat for audiences. The magical theme of the movie allows for pastel, effervescent soundscapes that draw in young viewers and transport them to a fantastical world.

In all, The Legend of the Titanic presents a fantastical take on one of history's most infamous disasters. By merging history with fantasy, it charmingly attempts to cater to children and adults alike. It stands as a bold representation of animation’s power to repaint historical events with imagination's bright colors, providing a unique viewing experience that combines education, entertainment, tragedy, and enchantment.