Both vocal technique and training are essential for a singer. However, good vocal technique should be the basis. Even if you already have a good voice, a qualified voice teacher will help you develop your voice even further. And a vocal coach will make sure you're ready to perform.
You should go to a singing teacher if you really want to sing professionally or something. Self-learning can also work, but it's less safe. This is just a short list, but you get the idea. Other benefits of learning with a vocal coach are improvements in vocal tone, range and freedom, as well as consistency in vocal quality and, therefore, confidence in the voice.
This means someone with a deep understanding of vocal technique and who knows how to communicate it in a way that you can understand. Signs of fatigue or vocal damage may consist of a crunchy voice; this can also be a sign of insufficient hydration. In addition, a vocal coach can regularly provide excellent tips for maintaining a strong and healthy voice, and proper vocal care is the first step to avoid injury. In addition, good teachers will impart science-based information to their students and offer practical solutions to their vocal problems so that they can continue to apply the techniques after they have finished classes.
I know a good teacher from a bad one, but since she was my first vocal teacher, I let her lead more than I should. Although they may have the same goals for you, a vocal coach is usually a pianist, which means there is no reason for him to give you a full voice lesson. Tension, fatigue and vocal cord injuries, including vocal ganglia (calluses on the vocal cords due to overuse or misuse), vocal cord polyps and vocal cord cysts are the injuries that most singers suffer As a vocal coach, I know many technical concepts, and I can identify what a singer is doing to produce a sound or if the sound is correct or not, but that doesn't mean that I want to go deeper into these technical concepts. These are deep questions and difficult decisions, but the most important reasons to be with a teacher are to make healthy vocal improvements, solve problems, and maintain a beneficial vocal technique.
In cases where a singer has already suffered damage to his singing apparatus, a fairly qualified approach teacher with experience in vocal rehabilitation can help undo the damage smoothly and naturally, and help the singer to stay away from surgery (from which maximum singers never fully recover). Vocal teaching is expressed through a unique language for each teacher and it can take time to understand what they are asking of you. With proper vocal technique and proper vocal care, the concern of damaging the voice will significantly decrease. A vocal coach is a pianist who usually works almost exclusively with singers and who knows the repertoire.
In addition, the discipline of collaborating in ordinary classes accelerates development because the singer practices and focuses directly on vocal improvement every week, at regular intervals. Adam Mishan is a YouTube vocal coach with hundreds of thousands of subscribers and has personally trained hundreds of students to improve their voices.