Family Friendly content may be suitable for players of all ages. These tracks may contain the infrequent use of mild language. All Family Friendly tracks are playable in LEGO Rock Band as well as in other Rock Band games.
Supervision Recommended tracks may contain suggestive lyrics and the infrequent use of strong language. Supervision Recommended tracks are not playable in LEGO Rock Band, but are playable in all other Rock Band games.
Not Rated tracks are tracks that appear in the Rock Band Network Music Store and have not been rated by Harmonix, the makers of Rock Band. These tracks are user generated and may contain suggestive lyrics and the infrequent use of strong language. Not Rated tracks are not playable in LEGO Rock Band but are playable anywhere else the Rock Band Network tracks are available.