None. The movie you refer to is The Rare Breed which starred James Stewart.
Let It Rock by Lil Wayne is very popular. In the US, it was #5 on the top 100 Billboard. The video for "Let It Rock" has nearly twenty millions views on the YouTube website alone.
john wayne
In THE COWBOYS (1972), he said "Hurry it up. We're burnin' daylight." --as Wil Andersen Link to a sound clilp of the above: http://www.reelclassics.com/Actors/Wayne/wayne3.htm
Let alone
no not alone
let it rock was sang by Kevin Rudolf featuring Lil Wayne
no, it hasn't even been filmed yet, let alone been in the cinemas or stores
When I did a search at IMDB for "Feature Films" that were "Westerns" and had "John Wayne" listed in the credits; I got 91 films. Some of these were only produced by Wayne, for some he had only a bit part, and some could be argued as not being westerns. So let's say "about" 80.
'let me / leave me alone' are translated 'laisse-moi tranquille' in French.
The French translation for "let alone" is "sans parler de".
There has been rumors of a possible Indiana Jones 5, but at present, it has yet to be in development, let alone a script.