People are calling it one of the biggest music events of all time. Many are arguing that its lineup is the best ever assembled.

We're talking about the 12-12-12 Concert for Sandy Relief, the all-star fundraiser set for Dec. 12 (obviously) Thursday at Madison Square Garden in New York. The concert has become a true international sensation, which is being broadcast to millions around the globe.

We'll be covering the event live throughout the night. Please follow at http://twitter.com/jimthecritic, www.facebook.com/jim.bayareanews and www.mercurynews.com/music.

Here's our viewer's guide to tonight's event:

THE BASICS

What: 12-12-12 Concert for Sandy Relief

Benefits: The Robin Hood Relief Fund

When: The show starts promptly at 4:30 p.m. PST, and expected run until roughly 9 p.m. PST

Where: Madison Square Garden, New York

Information: www.121212concert.org, www.robinhood.org/rhsandy

PERFORMERS

The incredible all-star cast includes Bon Jovi, Eric Clapton, Dave Grohl, Billy Joel, Alicia Keys, Chris Martin, Paul McCartney (fronting Nirvana!), the Rolling Stones, Bruce Springsteen and the E Street Band, Eddie Vedder, Roger Waters and the Who.

ORDER OF APPEARANCE


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All that we know — or think we know — is that Springsteen will open the concert and McCartney will close it, most likely with an all-star cast joining in on some Beatles classic. Other than that, your guess is as good as ours.

TWO EXPECTED HIGHLIGHTS

1. About that McCartney business -- yes, he is expected to front a Nirvana "reunion," featuring the surviving members of that famed grunge band.

2. Vedder will reportedly join Waters on Pink Floyd's "Comfortably Numb."

WAYS TO DONATE

Text "ROBINHOOD" to 50555 to donate $10. Other ways to give to this worthy cause can be found at www.121212concert.org/.

WHERE TO WATCH ON TV

AMC

AXS TV

BIO

Bloomberg

Cooking Channel

Destination America

Discovery Fit & Health

ENCORE

EPIX

FX Movie Channel

FEARnet

Fuse

G4

Hallmark Movie Channel

HBO

HBO Latino

IFC

ION Television

Lifetime Real Women

Live Well Network

Military History

MSG

MSG Plus

MUNDOFOX

NJTV

Palladia

PlumTV

SHOWTIME 2

Smithsonian Channel

Sundance Channel

THIRTEEN

VH1 Classic

Wealth TV

WEtv

WLIW

WLNY

WPSG/The CW Philly

WRNN-TV

ZING USA

WHERE TO WATCH ONLINE

Amctv.com

AOL

BMI.com

Clear Channel Media and Entertainment

Clear Channel Outdoor

Cookingchanneltv.com

Crackle

epixHD.com

EW.com

Foxmoviechannel.com

NBA.com

Fuse.tv

Hulu

Ifc.com

iHeartRadio

InStyle.com

Livewellnetwork.com

MSG.com

MTV.com

Myspace

Ovationtv.com

People.com

Sundancechannel.com

TheGarden.com

Time.com

Vevo

VH1.com

Wetv.com

Yahoo

YouTube

Follow Jim Harrington at http://twitter.com/jimthecritic, www.facebook.com/jim.bayareanews and http://blogs.mercurynews.com/aei/category/concerts.