Prod. 2062 - Ichabod (II) - Seq. 2 - Intro & Ichabod Crane Song

This first sequence, numbered "2," was directed by Jack Kinney and laid out by Charles Philippi and Thor Putnam. Kinney directed the first half of this picture, Gerry Geronimi directed the remainder.
Note that James Algar is also credited as director on the final "The Adventures of Ichabod and Mr. Toad." This was, however, because he directed a few sequences of Toad.
This FINAL draft is dated 9/28/48. The film premiered 10/5/49.

Animation by John Lounsbery (Ichabod and villagers), Hal King and Milt Kahl (Brom Bones) with two animal scenes by Volus Jones.
I would say it is fair to suggest that Milt Kahl was the lead on Brom Bones here, with Hal King animating around him.

I say "suggest," because the drafts are, as always, not necessarily correct - thus, my "standard disclaimer" applies:
"Animation drafts were never meant to be historical documents. They were meant as go-to documents, showing the responsible artist for a certain scene, who might be able to help in case there would be any need for this further on in the production line. Therefore we often see e.g. that animators who left have been replaced by others, often their assistants, in later versions of a draft. Also for this reason it is most often the actual animator, not the supervising animator, who is mentioned. The drafts may also be directly inaccurate - showing early assignments where the animator actually changed when the scene was finally handed out. Keeping all this in mind, though, the drafts can give us some sort of hands-on insight into the inner workings of the production of some of the most "magical" (in itself an over-used word) motion pictures of all time." This draft originated (as most of my feature drafts) in the Background Morgue, originally situated in the basement under the Ink & Paint building on the Burbank lot.