Glenn Frey was an American singer, songwriter, actor, and founding member of the rock band, the Eagles. Known for his tenor vocals and adept guitar playing, Frey co-wrote and sang lead on many of the Eagles' biggest hits including "Take It Easy," "Peaceful Easy Feeling," and "Heartache Tonight." His solo career in the 1980s and 1990s produced hits like "The Heat Is On" and "You Belong to the City." Frey's contributions to the Eagles and his solo work significantly shaped the soft rock and country rock genres, making him a pivotal figure in 20th century American music.