When you sing from your stomach or rather your diaphragm, the sound is usually stronger and your chest doesn't hurt as much. Usually you do that when singing a long phrase or loudly so you don't run...
Singing 20 minutes a day can bring down snoring. Also, if your good enough, you could star a band. Some people like Britney Spears or Micheal Jackson, are so good you can become famous which can earn...