2. Learn to control your vocal tone. Alex Koehler's vocal tone is very versatile, he can go from clean vocals to harsh vocals very quickly. To control your vocal tone, you'll need to be aware of the different muscles in your vocal tract and how they affect your sound. You can practice controlling your vocal tone by singing sirens or by imitating the sounds of different instruments.
3. Develop your stage presence. The lead singer is often the face of the band, so you want to make sure your stage presence is strong. This means that you need to be able to connect with the audience and make them feel engaged in the performance. You can develop your stage presence by rehearsing regularly, getting feedback from friends and family, and watching videos of other performers.
4. Practice makes perfect. The best way to improve your vocal skills is to practice regularly. Try to set aside some time each day to practice your vocals, even if it's just for a few minutes. You can practice singing along to your favorite songs, doing vocal exercises, or recording yourself and listening back to your performance.
5. Be patient. It takes time and effort to develop your vocal skills. Don't get discouraged if you don't sound perfect right away. Just keep practicing and you'll eventually see improvement.