Sissel, the world-renowned vocalist known for her ethereal arias throughout the Oscar winning film “Titanic,” will join the Tabernacle Choir and Orchestra at Temple Square at the 2019 Pioneer Day concerts. The concerts will be held in conjunction with community-wide celebrations on Friday and Saturday, July 19 and 20, at 8:00 p.m. mountain standard time in the Conference Center. The concerts will be conducted by Mack Wilberg, music director of the Choir, and Ryan Murphy, associate music director.