Which two instruments did the man, who was lead singer of the band that released the 1979 album "The Long Run," play?
I Can't Tell You Why: "I Can't Tell You Why" is a song by the American rock band Eagles which appeared on their 1979 album "The Long Run". I Can't Tell You Why:  The song was written by band members Timothy B. Schmit, Glenn Frey, and Don Henley. Glenn Frey:  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", "Lyin' Eyes", "New Kid in Town", and "Heartache Tonight".
i don't know