[1] According to the 54th Grammy Awards description guide it is designed for solo, duo/groups or collaborative (vocal or instrumental) rock recordings and is limited to singles or tracks only.
[2] This award combines the previous categories for Best Solo Rock Vocal Performance, Best Rock Performance by a Duo or Group with Vocal and Best Rock Instrumental Performance.
The restructuring of these categories was a result of the Recording Academy's wish to decrease the list of categories and awards and to eliminate the distinctions between solo and duo/groups performances.
The Academy argued that any distinction between these performances is difficult to make, as "four-fifths of rock acts are groups, and even solo rock acts tend to be backed by a band".
The producer, engineer and songwriter can apply for a Winners Certificate.