Mastodon is an American heavy metal band known for its unique blend of sludge, prog, and shoegaze. The band was formed in 2000 and gained popularity with its third album, Crack the Skye, which includes songs like "Oblivion" and "The Last Baron". Mastodon's vocal technique is characterized by the use of harsh and melodic vocals in combination with complex polyrhythms and diverse time signatures.

To learn to sing like Mastodon, there are several key techniques and resources that can be utilized.

1. Developing strong breath support and control: Singing Carrots offers a comprehensive guide to breathing basics and breath support
2. Mastering vocal registers and overcoming vocal breaks: Learn about voice registers and vocal breaks to help achieve a more seamless and dynamic vocal range
3. Opening up the mouth and throat while singing: Singing Carrots explains how an open mouth and throat can help singers hit higher notes with greater ease and clarity. Find out how.

In addition to these techniques, it can be also be beneficial to study specific songs and techniques utilized by the band. For instance, Mastodon is known for using vibrato, which can be learned through Singing Carrots' vocal exercises.

There are other Singing Carrots resources that can aid in the learning process, such as the Vocal Range Test, Pitch Accuracy Test, and the Vocal Pitch Monitor. These tools can help singers develop a more accurate pitch and improve their range and agility.

Overall, to learn to sing like Mastodon, focus on developing strong breath support, mastering vocal registers, and opening up the mouth and throat while singing. Additionally, studying specific songs and utilizing Singing Carrots resources can aid in the learning process.