> My name is Steven Schultz, I'm a musician from California, in Tokyo
> studying nihongo.

Good luck. By the way, it's called Ying-Yong.
> 
> I just moved to Tokyo 3 weeks ago.  But already I've been to 3 punk
> shows, a DIR EN GREY live, the ?gangsta-rap barber shop' in shinjuku,
> and a gay bar named ?blue oyster cult.'

I hope you enjoy your honeymoon period.
 
> * supermarkets that sell ?tasty bite' brand precooked Indian meals (I
> know QUEEN'S CHEF has some, but not the kind I like!) . . .or
> tofu-burgers, veggie meals, etc.

I'm a veggie. Don't eat the tofu-burgers. The tofu comes from cows.

As for veggie meals, I know this thing called cooking.
 
> *how do I get in the audience for HEY HEY HEY MUSIC CHAMP? (or any
> other tv show, for that matter?)

Being a teenage Japanese girl seems to be the only requirement.
 
> *Is there a store that sells second-hand stuffed animals? Because all
> my favorite Sanrio characters have been discontinued!

Ask your neighbours about recycle shops.
 
> *Where are the famous ?indoor skiing' and ?indoor surfing' shops?

Probably indoors.

> *And, where can I find underground performance art shows?

I thought the whole point is you can't.

> *What about ?noise' concerts?

If you stop one of those big black vans with the Japanese flags pasted
all over them and ask them to switch on their speakers, I am sure they
will oblige.

> Anyway, if someone can help me find even ONE of these things, I'll be
> your friend for life!!

Try Department H. I'm sure you will find friends more suitable to our
tastes:

http://www.links.net/vita/trip/japan/sex/department-h/

Mukade