Full list of all 49 LEGO Rock Band achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox 360.
Teleporter unlocked
Rock-It Fuel completed
Kings of Rock 'n' Troll completed
100,000 studs spent on rock den furniture
One item of rock den furniture purchased
Private Jet purchased
Rock the Boat completed
1,000,000 studs spent on items of clothing
100,000 studs spent on items of clothing
Instrument purchased
Item of clothing purchased
1,000,000 fans achieved
Submarine purchased
Securi-T-Rex completed
100% notes hit as a Drummer during a performance
100% notes hit as a Bassist during a performance
100% notes hit as a Guitarist during a performance
One song Gold Starred
Achieved 100% Guitar Solo on Expert
100% Stud Recovery achieved during a performance
Hovercraft purchased
Rock the Crop completed
Tourbus purchased
100 Stars achieved
Entourage member hired
Chopper purchased
Rocktopus completed
Speedboat purchased
Shock Band completed
Minibus purchased
Band Manager hired
Wreck 'n' Roll completed
Road Crew hired
100 fans achieved
First gig on the World Tour completed
Play at every venue on the World Tour
Complete all gigs on the World Tour (except for the Rock Marathon Setlist and Endless Setlist)
Complete the Rock Marathon Setlist on the World Tour
Complete the Endless Setlist on the World Tour
Complete the Stop the Rock, Rock Power Challenge
Hire all Entourage members
Spend 1,000,000 studs on rock den furniture
Spend 1,000,000 studs or more on instruments
Get 1000 Stars
Complete the Story
Score a 100% rating as a Vocalist
Score 100% on the Guitar Solo in "The Final Countdown" on Expert
Complete a song with four band members
All four band members score 100% notes hit