The group's appearances on the Ed Sullivan Show
The DECADES channel, a MeTV affiliate, airs 30-minute clips from the Ed Sullivan Show Monday-Friday. Every single appearance by The Mamas and the Papas is clearly lip synced.
I hate it when singers do this. Why pretend to be giving a live performance when you are not doing so? Just play a record and wave to the audience.
Some of the singers on Ed Sullivan are singing live.