Glenn Frey sings professionally.
Glenn Frey . He sang lead vocals on songs such as `` Take It Easy '' , `` Peaceful Easy Feeling '' , `` Tequila Sunrise '' , `` Already Gone '' , `` Lyin ' Eyes '' , `` New Kid in Town '' , and `` Heartache Tonight '' . `` Take It Easy '' is a song written by Jackson Browne and Glenn Frey , and recorded by the Eagles with Frey singing lead vocals . It peaked at No. 12 on the July 22 , 1972 Billboard Hot 100 chart .