Here is the full list of all 50 Guitar Hero Live trophies - there are 37 bronze, 10 silver, 2 gold and 1 platinum.
Strum 1,000,000 times in GHTV.
Score 100,000,000 points in GHTV.
Use Hero Powers 1,000 times in GHTV.
Score 420,000 points or more in a song without using a Hero Power in GHTV.
Score over 500,000 points in a song in GHTV.
Use a Hero Power 6 times during a song in GHTV.
Get 100% in two songs in Quickplay on Regular difficulty.
Play GHTV for 24 hours.
Score 50,000,000 points in GHTV.
Get to Level 20 in GHTV.
Equip 5 different Highways in GHTV.
Get 50 stars in GHTV by playing songs on Expert difficulty.
Use 100 Plays in GHTV.
Play any On Demand song in GHTV with Lefty Flip turned on and get 3 Stars.
Finish in the top 5 of 18 consecutive On Demand songs in GHTV.
Get 1,000 stars in GHTV by playing songs.
Acquire 4 Player Cards in GHTV.
Play GHTV for 10 hours.
Place 3rd or above 30 times in the free GHTV channels.
Hit each type of note in a single song in GHTV.
Use 5 unique Hero Powers in GHTV.
Fully upgrade a skill on your guitar in GHTV.
Connect to GHTV 10 days in a row.
Finish every song in Quickplay or GH Live on any difficulty with 5 stars.
Play GHTV for 60 minutes without changing the channel.
Get 5 Stars in 50 songs in GHTV on any difficulty.
Log in to GHTV 5 days in a row.
Watch the credits. Twice. To completion.
Unlock and watch all of the band profile videos in both festival galleries in GH Live.
Get a total of 25 Stars in 5 consecutive songs on free GHTV channels.
Score over 30,000 points in 50 songs in GHTV.
Get 150 stars in GHTV by playing songs.
Get a 50 note streak 50 times while playing GHTV.
Complete all of the Rock the Block stages in GH Live on any difficulty.
Complete all of GH Live on any difficulty.
Complete all of the SoundDial stages in GH Live on any difficulty.
Play with 8 different bands in GH Live.
Complete 7 sets in GH Live, each with an overall "Awesome" rating, on any difficulty.
Complete 3 songs in Quickplay.
Get a Full Combo in a song in GHTV.
Acquire a Player Card in GHTV.
Finish every song of a single set with a positive crowd in GH Live.
Complete a set in GH Live.
Switch the crowd from negative to positive in the last ten seconds of a song in GH Live.
Complete the GH Live tutorial.
Collect all Guitar Hero Live trophies.
Score 20,000,000 points in Quickplay.
Get 100% in 4 songs on Expert difficulty in GH Live.
Give an "Awesome" performance in all sets in GH Live on Regular difficulty or harder.
Earn a 1,000 note streak in GHTV.