What is the name of the song that goes da dat dat da duh dah da da?

Based on the "da dat dat da duh dah da da" vocalization, it's highly likely you're referring to "Toxicity" by the band <a href="https://www.wikiwhat.page/kavramlar/System%20of%20a%20Down">System of a Down</a>.

Here's some information:

• Artist: <a href="https://www.wikiwhat.page/kavramlar/System%20of%20a%20Down">System of a Down</a>
• Album: Toxicity (the album shares the same name as the song)
• Genre: <a href="https://www.wikiwhat.page/kavramlar/Nu%20Metal">Nu Metal</a>, <a href="https://www.wikiwhat.page/kavramlar/Alternative%20Metal">Alternative Metal</a>
• Release Year: 2001
• Key Characteristic: The distinctive vocal melody "da dat dat da duh dah da da" often represents the opening riff of the song, especially the guitar part. It's a memorable and defining characteristic of the track.