If you're looking to sing like Jeronicus Jangle from the movie Jingle Jangle: A Christmas Journey, there are a few key things to keep in mind.

First, pay attention to his unique vocal technique. Specifically, Jeronicus Jangle has a smooth, soulful singing style that's perfect for the holiday season. He also has great control over his pitch, which allows him to hit high notes with ease. To learn how to sing like Jeronicus Jangle, you'll want to practice these techniques regularly.

Another important aspect of singing like Jeronicus Jangle is choosing the right songs. Some great examples include "This Day," "Square Root of Possible," and "Make It Work." Each of these songs showcases his unique vocal style, while also providing ample opportunity to practice your own singing techniques.

To get started, I recommend checking out Singing Carrots' pitch accuracy test, which will help you fine-tune your pitch and ensure that you're singing on key. Additionally, the Vocal Pitch Monitor tool is a great way to see your sung notes on a virtual piano, making it easier to identify areas for improvement.

Other helpful resources include Singing Carrots' article about breathing basics, which is essential for developing good breath control. You'll also want to read their article on how to learn a song effectively, which provides tips on how to memorize song lyrics and learn the melody.

Finally, Singing Carrots' educational singing course covers a wide range of topics, from basic singing theory to practical tips for improving your singing. Taking this course can help you learn to sing like Jeronicus Jangle and other professional singers with ease.

Remember, learning to sing like Jeronicus Jangle will take time and practice. But with the right tools and resources, anyone can improve their singing skills and develop a great voice.