The film production companies, Apple Corps and King Features Syndicates, are the most likely rightsholders.
Samuel Beckett's estate owns the copyrights and the estate is currently run by his nephew.
Brentwood-Benson.
Random House.
US TREASURY!!!
Little Ruby Tunes.
Frances Bean Cobain does.
Abbott and Costello Enterprises.
Which one? There appear to be at least three songs by this name.
Various songs are controlled by various companies and individuals.
Warner Tamerlane and Sony/ATV Songs.
The Beatles' trademarks and likeness are owned by their company, Apple Corps Ltd.
You might be about 40-50 years too late, for that one. EMI owns the copyrights to their records; one could start with a letter to them, or possibly to Apple Corps Ltd., but you might want to hire an attorney first.