Premise: TV Showboat is an Australian television series which aired in 1960 on ABC. A variety show with emphasis on music, it was produced in Melbourne and was kinescoped for showing in Sydney (it is not known if it was also shown on ABC's stations in Adelaide and Brisbane). Performers included singers Jim Berinson and Anne Lane, and banjo player Hec McLennan.
Hypothesis: Berinson, Lane, and McLennan all appeared on ABC in 1960.