diff --git a/pkgs/neovim-wrapped/default.nix b/pkgs/neovim-wrapped/default.nix
index a15c2e2e..e9e0a468 100644
--- a/pkgs/neovim-wrapped/default.nix
+++ b/pkgs/neovim-wrapped/default.nix
@@ -19,6 +19,7 @@ let
         ./plugins/catppuccin
         ./plugins/treesj
         ./plugins/vim-tmux-navigator
+        ./plugins/tidal
         ./plugins/which-key
         ./plugins/conform
         ./plugins/nvim-lint
diff --git a/pkgs/neovim-wrapped/plugins/cmp/default.nix b/pkgs/neovim-wrapped/plugins/cmp/default.nix
index faf335f7..767da3c0 100644
--- a/pkgs/neovim-wrapped/plugins/cmp/default.nix
+++ b/pkgs/neovim-wrapped/plugins/cmp/default.nix
@@ -8,7 +8,7 @@ let
 
   tailwindcss-colorizer-cmp-nvim = pkgs.vimUtils.buildVimPlugin {
     pname = "tailwindcss-colorizer-cmp-nvim";
-    version = "2024-01-01";
+    version = "0-unstable-2024-03-23";
     src = pkgs.fetchFromGitHub {
       owner = "roobert";
       repo = "tailwindcss-colorizer-cmp.nvim";
diff --git a/pkgs/neovim-wrapped/plugins/conform/config.lua b/pkgs/neovim-wrapped/plugins/conform/config.lua
index 28b47c2a..a5f584db 100644
--- a/pkgs/neovim-wrapped/plugins/conform/config.lua
+++ b/pkgs/neovim-wrapped/plugins/conform/config.lua
@@ -18,6 +18,7 @@ require("conform").setup({
 		rust = { "rustfmt" },
 		python = { "isort", "black" },
 		nix = { "nixfmt" },
+		tidal = { "ormolu" }, -- Tidal patterns are Haskell
 	},
 	format_on_save = {
 		timeout_ms = 1000,
diff --git a/pkgs/neovim-wrapped/plugins/conform/default.nix b/pkgs/neovim-wrapped/plugins/conform/default.nix
index 34c23e35..a93e08a5 100644
--- a/pkgs/neovim-wrapped/plugins/conform/default.nix
+++ b/pkgs/neovim-wrapped/plugins/conform/default.nix
@@ -12,6 +12,7 @@
         shfmt
         rustfmt
         nixfmt
+        ormolu # haskell formatter, used for .tidal files
       ];
     }
   ];
diff --git a/pkgs/neovim-wrapped/plugins/tidal/default.nix b/pkgs/neovim-wrapped/plugins/tidal/default.nix
new file mode 100644
index 00000000..d69f415e
--- /dev/null
+++ b/pkgs/neovim-wrapped/plugins/tidal/default.nix
@@ -0,0 +1,35 @@
+{ pkgs, ... }:
+let
+  # vim-tidal is not in nixpkgs, so package it directly. Pinned to the latest
+  # commit (the v1.x tags are old); it's a stable vimscript plugin.
+  vim-tidal = pkgs.vimUtils.buildVimPlugin {
+    pname = "vim-tidal";
+    version = "1.4.8-unstable-2023-06-02";
+
+    src = pkgs.fetchFromGitHub {
+      owner = "tidalcycles";
+      repo = "vim-tidal";
+      rev = "e440fe5bdfe07f805e21e6872099685d38e8b761";
+      hash = "sha256-8gyk17YLeKpLpz3LRtxiwbpsIbZka9bb63nK5/9IUoA=";
+    };
+  };
+in
+{
+  plugins = [
+    {
+      plugin = vim-tidal;
+      config = /* lua */ ''
+        -- Ship .tidal lines to a tmux pane running `tidal` (GHCi+Tidal); it
+        -- does not boot GHCi, so start `tidal` in its own pane first. The
+        -- pattern language and SuperDirt engine come from the electronic-music
+        -- flake's devShell, not from here.
+        vim.g.tidal_target = "tmux"
+
+        -- Tidal patterns are Haskell; drive treesitter highlighting (and
+        -- ormolu formatting via conform) off the haskell grammar.
+        vim.treesitter.language.register("haskell", "tidal")
+      '';
+      extraPackages = with pkgs; [ tmux ];
+    }
+  ];
+}
diff --git a/pkgs/neovim-wrapped/plugins/treesitter/default.nix b/pkgs/neovim-wrapped/plugins/treesitter/default.nix
index 315ac5eb..81095fb1 100644
--- a/pkgs/neovim-wrapped/plugins/treesitter/default.nix
+++ b/pkgs/neovim-wrapped/plugins/treesitter/default.nix
@@ -29,6 +29,7 @@
           typescript
           json
           go
+          haskell # .tidal files (Tidal patterns are Haskell)
           scheme
           rust
           zsh