Full list of all 49 Guitar Hero 5 achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox 360.
Collected 25 Stars in Career
Did quite well
Topped out the rock
Learned a thing or two
Play 10 4-Player RockFest Mode games of any type
Unlock every venue in the world, and then some
Get 95% of the way through 'Do You Feel Like We Do? (Live)'
Complete 50 of the challenges at Gold or better
Complete 50 of the challenges at Platinum or better
Complete 50 of the challenges at Diamond
Complete a 25-phrase streak as a Vocalist
Play at least one song in Quickplay, Career and each Competitive game type
Create a music studio song
Create a band of 4 created rockers and play a song with them
Complete at least one challenge for every instrument at Gold level or better
Make a standard 8 player Band v Band match online, win or lose
Play an online match with 8 players, all on the same instrument
Complete 25 Pro Face Off matches online (Win or Lose)
Play a song with 4 Vocalists
Play a song with 4 Drummers
Play a song with 4 Lead Guitarists
Play a song with 4 Bass Guitarists
Read 5 Tooltips in GHMix
Make and complete a setlist which is at least 1 hour long
Complete 5 band challenges at Gold or better
Complete 14 songs in Quickplay
Complete Career Mode
Collect 101 Stars in Career
Collect 303 Stars in Career
Collect 505 Stars in Career
Play 5 encore gigs
Complete 20 Band Moments
Complete a 1001 note streak
Achieve a maxed out band multiplier as a standard band
Earn over 9000 points in a single SP deployment
Streak through the entirety of a song in Quickplay or Career
Complete a song with an average individual multiplier above 4x
Earn 500,000 points in a single song as a solo act
Earn 1,000,000 points in a single song as a solo act or band
Earn 3,000,000 points in a single song as a band
As a 4 player standard band, all 4 players activate Star Power simultaneously
Complete 100 songs in Quickplay
Complete 300 songs in Quickplay
5 Star 'Ex-Girlfriend', 'Send A Little Love Token' and 'Only Happy When It Rains' as a Vocalist
Complete each on disc song at least once (Career, Competitive or Quickplay)
Collect 808 Stars in Career
Complete a song with your Xbox 360 Avatar
Complete a sponsor gig challenge at Diamond level