<P> A nominating committee composed of rock and roll historians selects names for the `` Performers '' category ( singers , vocal groups , bands , and instrumentalists of all kinds ) , which are then voted on by roughly five hundred experts across the world . Those selected to vote include academics , journalists , producers , and others with music industry experience . Artists become eligible for induction 25 years after the release of their first record . Criteria include the influence and significance of the artists ' contributions to the development and perpetuation of rock and roll . To be selected for induction , performers must receive the highest number of votes , and also greater than 50 % of the votes . Around five to seven performers are inducted each year . </P>
who votes in rock and roll hall of fame
roughly five hundred experts across the world