Inconsistent playing of sound through Sway keybind

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1

I’ve setup the following keybindings to take a screenshot, and then play a camera sound:

{ config, lib, pkgs, ... }:

let
    cfg = config.poperigby.desktops.sway;
    sway = config.wayland.windowManager.sway;
in
{
    config = lib.mkIf cfg.enable {
        wayland.windowManager.sway.config.keybindings = let
            mod = sway.config.modifier;
            grim = "${pkgs.grim}/bin/grim";
            slurp = "${pkgs.slurp}/bin/slurp";
            screenshotLocation = "${config.xdg.userDirs.pictures}/Screenshots/$(date +'%s.png')";
            screenshotSound = "${pkgs.alsa-utils}/bin/aplay ${./camera.wav}";
        in lib.mkOptionDefault {
            # Full screen
            "Print" = "exec ${grim} ${screenshotLocation} && ${screenshotSound}";
            # A region of the screen
            "Control+Print" = "exec ${grim} -g $(${slurp}) ${screenshotLocation} && ${screenshotSound}";
        };
    };
}

The problem is, the only really seems to work sometimes. For the first keybinding, hitting it the first time only seems to play the ending of the clip, like the first part is cut off, the second time it seems to work fairly consistently. The second keybinding doesn’t play the sound at all.

I’m using Bluetooth headphones, if that matters.