"Blind auditions" refer to a process where the judges or evaluators cannot see the performers, focusing only on their talent or ability. Full definition
From their research, the professors deduced that about 30 percent of this increase was a result of blind auditions. (social.hays.com)
But after my son's Blind Audition on The Voice, he desperately needed a space in the house to become his «music studio.» (beneathmyheart.net)
In an attempt to increase the proportion of women in the orchestra, which at the time was below 10 %, the orchestra started implementing blind auditions. (canadianbusiness.com)