Texas Oil Patch Songs: … Willet … sings a dozen of his own songs having to do with oil workers …

Plays are rich and suitable sources for adaptation to film.

All About Eve (1950, FoxVideo). [Marilyn Monroe had] already had mini-roles in eight movies when she turned up as George Sanders' arm candy in the party scenes of this film.

Thus 21 modulo 9 is 3, because when 21 is divided by 9, the remainder is 3.