10 Ways to keep your voice in shape!
Always warm up
Get enough sleep
Be careful of what you eat & drink
Stay away from dairy (milk, chocolate, cheese) & sweets before a performance
Daily singing practice
Proper breathing techniques
Don't sing if you are sick
Give it your all...100%
Now, if you are singing off pitch that's when you sound bad. It's because you are not on the note, it is not your tone. You can have a great sounding voice and be off the note and sound bad. If you are off pitch you will see this face!!