d. October 22, 1976 in Fort Myers, Florida
Leibert was the chief organist at Radio City Music Hall for 40 years. He had programs on NBC radio and accompanied many radio soap operas. He was a prolific recording artist and recorded for the RCA and Westminster labels.
It should be noted that imdb states his date of birth as 1903, on the back of sleeve for EP Organ Encores it says 1907.