Wondering what downloadable treats Harmonix has lined up this week for Rock Band on the Xbox 360 and PS3? The developer has announced that this June 3, they will be releasing a triple-helping of songs from Jimmy Buffett.

Each track will cost $1.99 (160 Microsoft Points), or $5.49 (440 Microsoft Points) if bought as a pack. Here are the titles the fans can avail of on the appointed day:

• Margaritaville (master - new original recording)
• Cheeseburger in Paradise (master - new original recording)
• Volcano - (master - new original recording)
  

Harmonix also announced that another trio of tracks from Disturbed will be arriving this week. Each of the Disturbed tracks will cost $.99 (80 Microsoft Points), while buying all three as a bundle will cost $2.99 (240 Microsoft Points). Here's a shortlist of what will be up for grabs:

• Indestructible(master)
• Inside the Fire (master)
• Perfect Insanity (master)
  

Best Buy is further offering a promo that entitles fans to a  free copy of Indestructible and Inside The Fire. All you have to do is pre-order the band’s new album at Best Buy's site, after which you'll be given instructions to download the tracks via Xbox Live. That's the latest word we've got regarding the new dlc heading Rock Band's way - visit us again in case of any further updates.