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.
100% scored on the Guitar Solo in "The Final Countdown" on Expert
All four band members scored 100% notes hit
Endless Setlist completed
All gigs on the World Tour completed (except for the Rock Marathon Setlist and Endless Setlist)
Rock Marathon Setlist completed
Achieved 100% Guitar Solo on Expert
One song Gold Starred
100% notes hit as a Drummer during a performance
Song completed with four band members
1000 Stars achieved
100% Stud Recovery achieved during a performance
Story completed
Stop the Rock completed
Played at every venue on the World Tour
All Entourage members hired
Teleporter unlocked
Rock-It Fuel completed
Kings of Rock 'n' Troll completed
Private Jet purchased
1,000,000 fans achieved
Rock the Boat completed
Submarine purchased
Securi-T-Rex completed
1,000,000 studs spent on rock den furniture
Hovercraft purchased
Rock the Crop completed
Tourbus purchased
1,000,000 studs spent on items of clothing
1,000,000 studs spent on instruments
Entourage member hired
100% rating as a Vocalist achieved during a performance
100,000 studs spent on rock den furniture
One item of rock den furniture purchased
100,000 studs spent on items of clothing
Chopper purchased
Rocktopus completed
Speedboat purchased
Instrument purchased
Item of clothing purchased
100 Stars achieved
100% notes hit as a Guitarist during a performance
Shock Band completed
Minibus purchased
Band Manager hired
Wreck 'n' Roll completed
Road Crew hired
100% notes hit as a Bassist during a performance
100 fans achieved
First gig on the World Tour completed