May 13, 2015 9:52 AM EDT

On Tuesday night it was Adam Sandler’s turn to bow at the altar of David Letterman, as the host wraps up his time on the Late Show. Armed with a guitar, the comedian sang the departing host a lovely good-bye song — though it definitely included too much information about Sandler’s mom.

The comments from the Letterman/Paul Shaffer peanut gallery on the sidelines were almost as charming as the song, which covered Letterman’s time on the show (“no one gets Julia Roberts’ face redder than a flirty David Letterman”) and what he will do once he’s retired (“he’ll finally have time to take Jay Leno out for coffee, and then secretly pee in his cup”).

It ended on a completely sincere note, though, with Sandler singing, “the whole world’s going to miss you, David Letterman.”

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