Premise: Glenn Lewis Frey ( [ fraɪ ] November 6 , 1948 -- January 18 , 2016 ) was an American singer , songwriter and actor , best known as a founding member of the rock band Eagles . Frey was the 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 .
Hypothesis: Glenn Frey was a back-up singer for Eagles.
Label: NEUTRAL