The Eagles are an improv troupe.
`` Desperado '' is a song by the American rock band Eagles . Eagles (band) . Their next album , Desperado ( 1973 ) , was less successful than the first , only reaching number 41 on the charts ; neither of its singles reached the top 40 . `` One of These Nights '' is a song written by Don Henley and Glenn Frey and recorded by the American rock band Eagles .