Glenn Lewis Frey was an American singer, songwriter, actor and founding member of the rock band the Eagles. Frey was the co-lead singer and frontman for the Eagles, roles he came to share with fellow member Don Henley, with whom he wrote most of the Eagles' material. Frey played guitar and keyboards as well as singing lead vocals on songs such as 'Take It Easy', 'Peaceful Easy Feeling', 'Tequila Sunrise', 'Already Gone', 'James Dean', 'Lyin' Eyes', 'New Kid in Town', and 'Heartache Tonight'.
Michael Trent Reznor is an American musician, singer, songwriter, record producer, and composer. He serves as the lead vocalist, multi-instrumentalist, and principal songwriter of the industrial rock band Nine Inch Nails, which he founded in 1988 and of which he was the sole official member until 2016. The first Nine Inch Nails album, Pretty Hate Machine (1989), was a commercial and critical success. Reznor has since released 11 more Nine Inch Nails studio albums.