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.
Endless Setlist completed
100% rating as a Vocalist achieved during a performance
100% Stud Recovery achieved during a performance
All gigs on the World Tour completed (except for the Rock Marathon Setlist and Endless Setlist)
Rock Marathon Setlist completed
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
1000 Stars achieved
Private Jet purchased
Rock the Boat completed
1,000,000 studs spent on instruments
Instrument purchased
1,000,000 studs spent on rock den furniture
Submarine purchased
Securi-T-Rex completed
1,000,000 fans achieved
100,000 studs spent on rock den furniture
Hovercraft purchased
One item of rock den furniture purchased
Item of clothing purchased
100,000 studs spent on items of clothing
1,000,000 studs spent on items of clothing
100% notes hit as a Drummer during a performance
100% notes hit as a Bassist during a performance
Rock the Crop completed
Tourbus purchased
Chopper purchased
Rocktopus completed
Speedboat purchased
100 Stars achieved
Shock Band completed
Entourage member hired
100% notes hit as a Guitarist during a performance
Minibus purchased
Band Manager hired
Wreck 'n' Roll completed
Road Crew hired
100 fans achieved
First gig on the World Tour completed
100% a guitar solo on Expert
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
Gold Star any song