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Singers may use various techniques and tools to improve their voice, such as vocal warm-up exercises, breath control techniques, and specialized microphones. They may also work with voice coaches to enhance their singing abilities. In some cases, singers may use electronic effects, such as reverb or delay, to alter the sound of their voice. However, it’s important to note that these techniques and tools should be used to enhance the natural talent and skill of the singer, rather than as a replacement for genuine singing ability.