When trying to play a song that uses the Green Day Grenade environment (or forcing it through player settings), clicking "Play" does not start the song and instead starts creating framerate issues (???). Changing the environment fixes the issue, and so does removing the mod.
[CRITICAL @ 22:08:27 | UnityEngine] ArgumentNullException: Value cannot be null.
[CRITICAL @ 22:08:27 | UnityEngine] Parameter name: dictionary
[CRITICAL @ 22:08:27 | UnityEngine] System.Collections.Generic.Dictionary`2[TKey,TValue]..ctor (System.Collections.Generic.IDictionary`2[TKey,TValue] dictionary, System.Collections.Generic.IEqualityComparer`1[T] comparer) (at <9577ac7a62ef43179789031239ba8798>:0)
[CRITICAL @ 22:08:27 | UnityEngine] System.Collections.Generic.Dictionary`2[TKey,TValue]..ctor (System.Collections.Generic.IDictionary`2[TKey,TValue] dictionary) (at <9577ac7a62ef43179789031239ba8798>:0)
[CRITICAL @ 22:08:27 | UnityEngine] Chroma.LightIDTableManager+<>c.<SetEnvironment>b__3_0 (System.Collections.Generic.Dictionary`2[TKey,TValue] n) (at <be09fce8331d476d83e886a7d2978034>:0)
[CRITICAL @ 22:08:27 | UnityEngine] System.Linq.Enumerable+SelectArrayIterator`2[TSource,TResult].ToArray () (at <351e49e2a5bf4fd6beabb458ce2255f3>:0)
[CRITICAL @ 22:08:27 | UnityEngine] System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) (at <351e49e2a5bf4fd6beabb458ce2255f3>:0)
[CRITICAL @ 22:08:27 | UnityEngine] Chroma.LightIDTableManager.SetEnvironment (System.String environmentName) (at <be09fce8331d476d83e886a7d2978034>:0)
[CRITICAL @ 22:08:27 | UnityEngine] Chroma.HarmonyPatches.SceneTransitionHelper.SetEnvironmentTable (EnvironmentInfoSO environmentInfo) (at <be09fce8331d476d83e886a7d2978034>:0)
[CRITICAL @ 22:08:27 | UnityEngine] (wrapper dynamic-method) StandardLevelScenesTransitionSetupDataSO.StandardLevelScenesTransitionSetupDataSO.Init_Patch4(StandardLevelScenesTransitionSetupDataSO,string,IDifficultyBeatmap,IPreviewBeatmapLevel,OverrideEnvironmentSettings,ColorScheme,GameplayModifiers,PlayerSpecificSettings,PracticeSettings,string,bool)
[CRITICAL @ 22:08:27 | UnityEngine] (wrapper dynamic-method) MenuTransitionsHelper.MenuTransitionsHelper.StartStandardLevel_Patch1(MenuTransitionsHelper,string,IDifficultyBeatmap,IPreviewBeatmapLevel,OverrideEnvironmentSettings,ColorScheme,GameplayModifiers,PlayerSpecificSettings,PracticeSettings,string,bool,System.Action,System.Action`1<Zenject.DiContainer>,System.Action`2<StandardLevelScenesTransitionSetupDataSO, LevelCompletionResults>)
[CRITICAL @ 22:08:27 | UnityEngine] MenuTransitionsHelper.StartStandardLevel (System.String gameMode, IDifficultyBeatmap difficultyBeatmap, IPreviewBeatmapLevel previewBeatmapLevel, OverrideEnvironmentSettings overrideEnvironmentSettings, ColorScheme overrideColorScheme, GameplayModifiers gameplayModifiers, PlayerSpecificSettings playerSpecificSettings, PracticeSettings practiceSettings, System.String backButtonText, System.Boolean useTestNoteCutSoundEffects, System.Action beforeSceneSwitchCallback, System.Action`2[T1,T2] levelFinishedCallback) (at <636b4ece40dd4dd7b3f50d461344187a>:0)
[CRITICAL @ 22:08:27 | UnityEngine] SinglePlayerLevelSelectionFlowCoordinator.StartLevel (System.Action beforeSceneSwitchCallback, System.Boolean practice) (at <636b4ece40dd4dd7b3f50d461344187a>:0)
[CRITICAL @ 22:08:27 | UnityEngine] SinglePlayerLevelSelectionFlowCoordinator.StartLevelOrShow360Prompt (System.Action beforeSceneSwitchCallback, System.Boolean practice) (at <636b4ece40dd4dd7b3f50d461344187a>:0)
[CRITICAL @ 22:08:27 | UnityEngine] SinglePlayerLevelSelectionFlowCoordinator.ActionButtonWasPressed () (at <636b4ece40dd4dd7b3f50d461344187a>:0)
[CRITICAL @ 22:08:27 | UnityEngine] LevelSelectionFlowCoordinator.HandleLevelSelectionNavigationControllerDidPressActionButton (LevelSelectionNavigationController viewController) (at <636b4ece40dd4dd7b3f50d461344187a>:0)
[CRITICAL @ 22:08:27 | UnityEngine] LevelSelectionNavigationController.HandleLevelCollectionNavigationControllerDidPressActionButton (LevelCollectionNavigationController viewController) (at <636b4ece40dd4dd7b3f50d461344187a>:0)
[CRITICAL @ 22:08:27 | UnityEngine] LevelCollectionNavigationController.HandleLevelDetailViewControllerDidPressActionButton (StandardLevelDetailViewController viewController) (at <636b4ece40dd4dd7b3f50d461344187a>:0)
[CRITICAL @ 22:08:27 | UnityEngine] StandardLevelDetailViewController.<DidActivate>b__47_0 () (at <636b4ece40dd4dd7b3f50d461344187a>:0)
[CRITICAL @ 22:08:27 | UnityEngine] UnityEngine.Events.InvokableCall.Invoke () (at <12e76cd50cc64cf19e759e981cb725af>:0)
[CRITICAL @ 22:08:27 | UnityEngine] UnityEngine.Events.UnityEvent.Invoke () (at <12e76cd50cc64cf19e759e981cb725af>:0)
[CRITICAL @ 22:08:27 | UnityEngine] UnityEngine.UI.Button.Press () (at <0715729883c64e74bf9334ddb6a92401>:0)
[CRITICAL @ 22:08:27 | UnityEngine] UnityEngine.UI.Button.OnPointerClick (UnityEngine.EventSystems.PointerEventData eventData) (at <0715729883c64e74bf9334ddb6a92401>:0)
[CRITICAL @ 22:08:27 | UnityEngine] UnityEngine.EventSystems.ExecuteEvents.Execute (UnityEngine.EventSystems.IPointerClickHandler handler, UnityEngine.EventSystems.BaseEventData eventData) (at <0715729883c64e74bf9334ddb6a92401>:0)
[CRITICAL @ 22:08:27 | UnityEngine] UnityEngine.EventSystems.ExecuteEvents.Execute[T] (UnityEngine.GameObject target, UnityEngine.EventSystems.BaseEventData eventData, UnityEngine.EventSystems.ExecuteEvents+EventFunction`1[T1] functor) (at <0715729883c64e74bf9334ddb6a92401>:0)
[CRITICAL @ 22:08:27 | UnityEngine] UnityEngine.EventSystems.ExecuteEvents:Execute(GameObject, BaseEventData, EventFunction`1)
[CRITICAL @ 22:08:27 | UnityEngine] VRUIControls.VRInputModule:ProcessMousePress(MouseButtonEventData)
[CRITICAL @ 22:08:27 | UnityEngine] VRUIControls.VRInputModule:Process()
[CRITICAL @ 22:08:27 | UnityEngine] UnityEngine.EventSystems.EventSystem:Update()