The World Soundtrack Academy rewards the song with either the most original lyrics, the most original music, or both. There must be a clear audible, intelligible, substantive rendition of both lyric and melody used in the body of film or as the first song in the end credits.

Nominees for Best Original Song written directly for a Film 2019

Shallow from “A Star is Born”
Written by Lady Gaga, Andrew Wyatt, Anthony Rossomando, Mark Ronson
Performed by Lady Gaga, Bradley Cooper

Other nominees were:

- Requiem for a Private War from 'A Private War'
Written & performed by Annie Lennox

- Sunflower from 'Spider-Man: Into the Spider-Verse'
Written by Swae Lee (as Khalif Brown), Louis Bell, Post Malone (as Austin Post), Billy Walsh (as William Walsh), Carter Lang, Carl Rosen
Performed by Post Malone, Swae Lee

- The Place Where Lost Things Go from 'Mary Poppins Returns'
Written by Marc Shaiman, Scott Wittman
Performed by Emily Blunt

- When a Cowboy Trades His Spurs for Wings from 'The Ballad of Buster Scruggs'
Written by David Rawlings, Gillian Welch
Performed by Willie Watson, Tim Blake Nelson