James Otto is a country music singer with a voice that is a blend of soul, blues, and rock. To learn to sing like James Otto, you should first assess your vocal range by taking the vocal range test on Singing Carrots. This will help you identify which of his songs are most suitable for your voice.

One of Otto's unique vocal techniques is called growl. It involves adding a gritty and husky quality to your voice. You can learn to growl like James Otto by following the exercises in this Singing Carrots video: How to growl exercise.

Another vocal technique used by James Otto is vibrato, where a singer alternates between slightly higher and lower notes. You can learn to sing with vibrato by practicing the exercises in these Singing Carrots videos: Beggars Bounce and Diaphragm Bounce.

To emulate James Otto's style, you can work on popular songs like "Just Got Started Lovin' You" and "Groovy Little Summer Song". You can find sheet music and lyrics for these songs on the Singing Carrots songbook tool here.

Before you start singing, be sure to warm up your voice using the Farinelli breathing exercise here. This type of breathing establishes breath control and brings awareness to your diaphragm.

You can also develop your pitch accuracy by practicing along with simple melodies on Singing Carrots pitch accuracy test and refining your vocal articulation through exercises like Finger Bites.

Remember to focus on using proper breath support, opening your mouth and throat, and avoiding constriction, as explained in the articles on Singing Carrots, including Breathing basics, Open mouth & throat, and Avoiding constrictions.

To learn more about different vocal techniques used in contemporary genres like country, rock and pop, read the article on Contemporary vocal techniques on Singing Carrots.

And lastly, don't forget to have fun and practice regularly! You can monitor your progress on Singing Carrots and track your improvement over time. Happy singing!