Full list of all 37 Let's Sing 2016 achievements worth 1,000 gamerscore. It takes around 12-15 hours to unlock all of the achievements on Xbox One.
Start 20,000! mode
Hit all the golden notes in a song
Pass the mic 30 times in Pass the mic mode
Get a score over 80,000 points
Get a score inferior to one point
Get 'PERFECT' for the parts of a song with no lyrics in By Heart mode
Unlock all the game modes for all songs
Finish 150 songs
Unlock all the game modes for a song
Finish 40 songs
Start Expert mode
Finish a song
Get a score over 120,000 points
Start Pass the mic mode
Accumulate 50 VoxPoints
Listen to 10 songs in a row in Jukebox mode
Browse through the song covers 3 times in less than 20 seconds
Start By Heart mode
Get a score between 50,000 and 51,000 points
Accumulate 500 VoxPoints
Get 500 'PERFECT'
Finish 90 songs
Finish 15 songs in a session
Get 10 'PERFECT' in a row in Expert mode
Finish a song in 20,000! mode in under 60 seconds
Finish a song in Expert mode without the vocals
Finish 5 songs in Expert mode without the vocals
Get a score over 100,000 points
Finish a song in Elimination mode
View all the credits
Sing 3 songs in a row from before 2008
Start Duet mode
Start Elimination mode
Sing all the songs
Finish with a similar score to your partner in Duet mode
Accumulate 100 VoxPoints
Sing 5 songs in a row released after 2013