The review of 'Undertone' by A24 highlights the film's emphasis on sound as a critical element of horror storytelling, arguing that audio cues can often be more terrifying than visual effects. The narrative revolves around Evy, a skeptic co-host of 'The Undertone Podcast,' who along with her believer partner, Justin, shares unsettling paranormal stories with their audience. Their dynamic showcases a blend of skepticism and belief, further emphasized by the film's immersive sound design.

In 'Undertone,' the viewer is taken on a psychological journey where sound plays a pivotal role in cultivating atmosphere, tension, and fear. The review draws comparisons to legendary horror films, noting how iconic soundscapes have triggered fear in audiences for decades. By centering the auditory experience, 'Undertone' aims to redefine how horror narratives are perceived, pushing the boundaries of traditional filmmaking.

The implications of this focus on sound reach beyond enjoyment; it elevates the importance of audio in film production and the art of storytelling itself. 'Undertone' not only works as a horror film but also as a commentary on how our relationship with sound shapes our emotional responses to the genre.