u just keep playing gigs on band until u unlock it
you go on cheatplanet.com
The song Lasagna is a parody of a Spanish song called Labamba. (don't know if spelling is correct)
You can download it from the internet. Or see if you can unlock it in the game.
It's a custom song; you have to get it from the person who made it.
There is no song labeled Los Video. The song LaBamba was released in 1988. The band Los Lobos is the one that performed this song. A video was also released.
Unlock it at the 2009 countdown on the Times Square Gig.
youu have to buy guitar hero rock the 80's and save the final boss song under guitar hero 5.
NNNNNNNNNOOOOOOOOOONNNNNNNEEEEEEEEEE Finish Co-op Carrer
You can't unlock from doing career but you can download it if you have the Ps3 or Xbox360.
you get all the achievements in a certain row and you win a guitar. But like I said, it has to be a certain row. Then go to the list of guitars and click on the guitar you got. It will immediately take you to the hidden song
Beat everything in career mode up to and including the eighth tier to unlock the guitar battle with Lou (TDWDTG). To get the song as a single player song you will have to download (for free) the Boss Battles song pack via Xbox Live on the Xbox 360 version of the game.
You have to play plug in baby at O' hanningin's stead (something like that) and then, you automatically play as him on that song and once you do it you unlock him.