Support WBURMeet The Woman Who's Been Pearl Jam's Sound Engineer For 24 YearsPlay04:11Download AudioCaroline LosneckSeptember 04, 2016 ShareKarrie Keyes stands at her soundboard at a show at Boston's Fenway Park in August 2016. From here, she communicates with the members of Pearl Jam to get the monitor mix just right. (Caroline Losneck)
