The soundtrack for "Vettaikaran" was composed by Devi Sri Prasad, who is known for his work in several Indian films. The music in "Vettaikaran" plays a pivotal role in enhancing the film's narrative, with songs that range from melodious romantic tracks to high-energy action sequences. The background score complements the on-screen action, elevating the emotional impact of key scenes.

Moreover, "Vettaikaran" contributed to the ongoing conversation about the role of cinema in reflecting and influencing societal norms and values. The film's exploration of themes such as justice, morality, and the complexities of human nature resonated with audiences, making it a memorable watch.

The legacy of "Vettaikaran" extends beyond its immediate commercial success. The film is often cited as an example of Vijay's commitment to engaging with socially relevant themes through his work. "Vettaikaran" has also been praised for its influence on subsequent Tamil films, which have sought to emulate its blend of action, drama, and social commentary.