To celebrate the release of The Ballad of Gay Tony and Episodes from Liberty City, Rockstar Games will be enjoying some Grand Theft Auto IV multiplayer gaming all this weekend on Xbox Live.

The festivities kick off this Friday, October 30 and will run through Sunday, November 1. A number of Rockstar devs will be participating as will Aventura's singer and composer, Henry Santos Jeter.

In addition, Xbox Live Multiplayer will be free all weekend for those playing GTA4, The Lost and Damned, and The Ballad of Gay Tony. Different events will take place each night this weekend, so let's look at a breakdown of each day below.
Friday, October 30: 5 – 10 p.m. ET: Game with Developers session featuring members of the Rockstar North team.
Gamertags:
GwRockstar1
GwRockstar2
GwRockstar3
GwRockstar4
GwRockstar5
GwRockstar6
GwRockstar7
GwRockstar8
GwRockstar9
GwRockstar10
GwRockstar11
GwRockstar12
GwRockstar13
GwRockstar14
GwRockstar15
GwRockstar16

Saturday, October 31: Xbox LIVE All-nighter - Jump in to Xbox LIVE and play Grand Theft Auto from dusk ‘til dawn with the Xbox LIVE community.

Sunday, November 1: 3 – 5 p.m. ET: Game with Fame session featuring Henry Santos Jeter of Aventura.
Gamertag: GwFHenryHH
The Ballad of Gay Tony is slated for release tomorrow, October 29th and only on the Xbox 360.