How many fans must you gain in RB3 to unlock tattoos?

I just bought RB3 and need to know how to turn off the original vocals when I am singing. Any help would be appreciative.

Thanks!

I just purchased RB3 and will be adding a few mics for my backup singers. Can anyone please recommend the best brand/kind of mic to get. I'll be getting 2 and I want them to be the best quality.
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in RB2 you could spell words on certain T-shirts and put symbols and other graphics on several of the guitars. I really loved this feature in RB2 and need to make sure it's available in RB3 before I...

Can you customize your character's clothes and guitars in RB3 like you could in RB2?
Thanks!

Can anyone tell me if you have the ability to make custom posters of your band in RB3? Also, are there any plans to bring back bandmates like in RB2. These were 2 of my favorite features in RB2. ...

Does anyone think we will ever get any Green Day DLC? I feel like they have several songs like "Holiday" and "Jesus of Suburbia" that would be perfect in respect to the instruments in the songs. I...

Does anyone think we will ever get any Green Day DLC? I feel like they have several songs like "Holiday" and "Jesus of Suburbia" that would be perfect in respect to the instruments in the songs. I...

I hope that you're not certain because my guitar will make all the difference in if I make the purchase or not. It's just as much a part of my character as the tatoos I've created. I wonder if...

Doesn anyone know if the bandmate will also cover instrument art. When I make the bandmate, my guitar art is really screwed up, and this will make a difference in if I buy one or not.

Thanks!

Can anyone tell me how to export the AC/DC expansion pack to my hard drive?