diff --git a/src/main.rs b/src/main.rs
index e2fd177..3fa803b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -94,7 +94,6 @@ fn with<Database: IDatabase + 'static, Library: ILibrary + 'static>(
     let app = App::new(music_hoard, musicbrainz, app_sender);
     let ui = Ui;
 
-
     // Run the TUI application.
     Tui::run(terminal, app, ui, handler, listener).expect("failed to run tui");
 }
diff --git a/src/tui/app/machine/browse.rs b/src/tui/app/machine/browse.rs
index 770cca4..17a1ffe 100644
--- a/src/tui/app/machine/browse.rs
+++ b/src/tui/app/machine/browse.rs
@@ -13,7 +13,7 @@ use crate::tui::{
     app::{
         machine::{App, AppInner, AppMachine},
         selection::{Delta, ListSelection},
-        AppMatchesInfo, AppPublic, AppState, IAppInteractBrowse,
+        AppMatchesInfo, AppPublic, AppState, IAppBase, IAppInteractBrowse,
     },
     event::{Event, EventSender},
     lib::interface::musicbrainz::{self, IMusicBrainz},
@@ -183,6 +183,10 @@ impl IAppInteractBrowse for AppMachine<AppBrowse> {
 
         AppMachine::app_fetch_new(self.inner, fetch_rx)
     }
+}
+
+impl IAppBase for AppMachine<AppBrowse> {
+    type APP = App;
 
     fn no_op(self) -> Self::APP {
         self.into()
diff --git a/src/tui/app/machine/critical.rs b/src/tui/app/machine/critical.rs
index 476ba8a..3e6c402 100644
--- a/src/tui/app/machine/critical.rs
+++ b/src/tui/app/machine/critical.rs
@@ -1,6 +1,6 @@
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
-    AppPublic, AppState, IAppInteractCritical,
+    AppPublic, AppState, IAppBase,
 };
 
 pub struct AppCritical {
@@ -33,7 +33,7 @@ impl<'a> From<&'a mut AppMachine<AppCritical>> for AppPublic<'a> {
     }
 }
 
-impl IAppInteractCritical for AppMachine<AppCritical> {
+impl IAppBase for AppMachine<AppCritical> {
     type APP = App;
 
     fn no_op(self) -> Self::APP {
diff --git a/src/tui/app/machine/error.rs b/src/tui/app/machine/error.rs
index 11abff7..4d910f2 100644
--- a/src/tui/app/machine/error.rs
+++ b/src/tui/app/machine/error.rs
@@ -1,6 +1,6 @@
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
-    AppPublic, AppState, IAppInteractError,
+    AppPublic, AppState, IAppBase, IAppInteractError,
 };
 
 pub struct AppError {
@@ -39,6 +39,10 @@ impl IAppInteractError for AppMachine<AppError> {
     fn dismiss_error(self) -> Self::APP {
         AppMachine::browse(self.inner).into()
     }
+}
+
+impl IAppBase for AppMachine<AppError> {
+    type APP = App;
 
     fn no_op(self) -> Self::APP {
         self.into()
diff --git a/src/tui/app/machine/fetch.rs b/src/tui/app/machine/fetch.rs
index cfabd3e..625f983 100644
--- a/src/tui/app/machine/fetch.rs
+++ b/src/tui/app/machine/fetch.rs
@@ -3,7 +3,7 @@ use std::sync::mpsc::{self, TryRecvError};
 use crate::tui::{
     app::{
         machine::{App, AppInner, AppMachine},
-        AppMatchesInfo, AppPublic, AppState, IAppEventFetch, IAppInteractFetch,
+        AppMatchesInfo, AppPublic, AppState, IAppBase, IAppEventFetch, IAppInteractFetch,
     },
     lib::interface::musicbrainz::Error as MbError,
 };
@@ -85,6 +85,10 @@ impl IAppInteractFetch for AppMachine<AppFetch> {
     fn abort(self) -> Self::APP {
         AppMachine::browse(self.inner).into()
     }
+}
+
+impl IAppBase for AppMachine<AppFetch> {
+    type APP = App;
 
     fn no_op(self) -> Self::APP {
         self.into()
diff --git a/src/tui/app/machine/info.rs b/src/tui/app/machine/info.rs
index 6dd90b6..ced252a 100644
--- a/src/tui/app/machine/info.rs
+++ b/src/tui/app/machine/info.rs
@@ -1,6 +1,6 @@
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
-    AppPublic, AppState, IAppInteractInfo,
+    AppPublic, AppState, IAppBase, IAppInteractInfo,
 };
 
 pub struct AppInfo;
@@ -35,6 +35,10 @@ impl IAppInteractInfo for AppMachine<AppInfo> {
     fn hide_info_overlay(self) -> Self::APP {
         AppMachine::browse(self.inner).into()
     }
+}
+
+impl IAppBase for AppMachine<AppInfo> {
+    type APP = App;
 
     fn no_op(self) -> Self::APP {
         self.into()
diff --git a/src/tui/app/machine/matches.rs b/src/tui/app/machine/matches.rs
index e6a5e32..c6b4b17 100644
--- a/src/tui/app/machine/matches.rs
+++ b/src/tui/app/machine/matches.rs
@@ -3,7 +3,7 @@ use std::cmp;
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
     AppAlbumMatches, AppArtistMatches, AppMatchesInfo, AppPublic, AppPublicMatches, AppState,
-    IAppInteractMatches, MatchOption, WidgetState,
+    IAppBase, IAppInteractMatches, MatchOption, WidgetState,
 };
 
 use super::fetch::AppFetch;
@@ -122,6 +122,10 @@ impl IAppInteractMatches for AppMachine<AppMatches> {
     fn abort(self) -> Self::APP {
         AppMachine::browse(self.inner).into()
     }
+}
+
+impl IAppBase for AppMachine<AppMatches> {
+    type APP = App;
 
     fn no_op(self) -> Self::APP {
         self.into()
diff --git a/src/tui/app/machine/reload.rs b/src/tui/app/machine/reload.rs
index 6659434..06c857b 100644
--- a/src/tui/app/machine/reload.rs
+++ b/src/tui/app/machine/reload.rs
@@ -1,7 +1,7 @@
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
     selection::KeySelection,
-    AppPublic, AppState, IAppInteractReload,
+    AppPublic, AppState, IAppBase, IAppInteractReload,
 };
 
 pub struct AppReload;
@@ -53,6 +53,10 @@ impl IAppInteractReload for AppMachine<AppReload> {
     fn hide_reload_menu(self) -> Self::APP {
         AppMachine::browse(self.inner).into()
     }
+}
+
+impl IAppBase for AppMachine<AppReload> {
+    type APP = App;
 
     fn no_op(self) -> Self::APP {
         self.into()
diff --git a/src/tui/app/machine/search.rs b/src/tui/app/machine/search.rs
index 17ed189..dda0f9d 100644
--- a/src/tui/app/machine/search.rs
+++ b/src/tui/app/machine/search.rs
@@ -6,7 +6,7 @@ use musichoard::collection::{album::Album, artist::Artist, track::Track};
 use crate::tui::app::{
     machine::{App, AppInner, AppMachine},
     selection::{ListSelection, SelectionState},
-    AppPublic, AppState, Category, IAppInteractSearch,
+    AppPublic, AppState, Category, IAppBase, IAppInteractSearch,
 };
 
 // Unlikely that this covers all possible strings, but it should at least cover strings
@@ -98,6 +98,10 @@ impl IAppInteractSearch for AppMachine<AppSearch> {
         self.inner.selection.select_by_list(self.state.orig);
         AppMachine::browse(self.inner).into()
     }
+}
+
+impl IAppBase for AppMachine<AppSearch> {
+    type APP = App;
 
     fn no_op(self) -> Self::APP {
         self.into()
diff --git a/src/tui/app/mod.rs b/src/tui/app/mod.rs
index 5dfaca6..866f9a0 100644
--- a/src/tui/app/mod.rs
+++ b/src/tui/app/mod.rs
@@ -20,14 +20,14 @@ pub enum AppState<BS, IS, RS, SS, FS, MS, ES, CS> {
 }
 
 pub trait IAppInteract {
-    type BS: IAppInteractBrowse<APP = Self>;
-    type IS: IAppInteractInfo<APP = Self>;
-    type RS: IAppInteractReload<APP = Self>;
-    type SS: IAppInteractSearch<APP = Self>;
-    type FS: IAppInteractFetch<APP = Self> + IAppEventFetch<APP = Self>;
-    type MS: IAppInteractMatches<APP = Self>;
-    type ES: IAppInteractError<APP = Self>;
-    type CS: IAppInteractCritical<APP = Self>;
+    type BS: IAppBase<APP = Self> + IAppInteractBrowse<APP = Self>;
+    type IS: IAppBase<APP = Self> + IAppInteractInfo<APP = Self>;
+    type RS: IAppBase<APP = Self> + IAppInteractReload<APP = Self>;
+    type SS: IAppBase<APP = Self> + IAppInteractSearch<APP = Self>;
+    type FS: IAppBase<APP = Self> + IAppInteractFetch<APP = Self> + IAppEventFetch<APP = Self>;
+    type MS: IAppBase<APP = Self> + IAppInteractMatches<APP = Self>;
+    type ES: IAppBase<APP = Self> + IAppInteractError<APP = Self>;
+    type CS: IAppBase<APP = Self>;
 
     fn is_running(&self) -> bool;
     fn force_quit(self) -> Self;
@@ -38,6 +38,12 @@ pub trait IAppInteract {
     ) -> AppState<Self::BS, Self::IS, Self::RS, Self::SS, Self::FS, Self::MS, Self::ES, Self::CS>;
 }
 
+pub trait IAppBase {
+    type APP: IAppInteract;
+
+    fn no_op(self) -> Self::APP;
+}
+
 pub trait IAppInteractBrowse {
     type APP: IAppInteract;
 
@@ -55,16 +61,12 @@ pub trait IAppInteractBrowse {
     fn begin_search(self) -> Self::APP;
 
     fn fetch_musicbrainz(self) -> Self::APP;
-
-    fn no_op(self) -> Self::APP;
 }
 
 pub trait IAppInteractInfo {
     type APP: IAppInteract;
 
     fn hide_info_overlay(self) -> Self::APP;
-
-    fn no_op(self) -> Self::APP;
 }
 
 pub trait IAppInteractReload {
@@ -73,8 +75,6 @@ pub trait IAppInteractReload {
     fn reload_library(self) -> Self::APP;
     fn reload_database(self) -> Self::APP;
     fn hide_reload_menu(self) -> Self::APP;
-
-    fn no_op(self) -> Self::APP;
 }
 
 pub trait IAppInteractSearch {
@@ -85,16 +85,12 @@ pub trait IAppInteractSearch {
     fn step_back(self) -> Self::APP;
     fn finish_search(self) -> Self::APP;
     fn cancel_search(self) -> Self::APP;
-
-    fn no_op(self) -> Self::APP;
 }
 
 pub trait IAppInteractFetch {
     type APP: IAppInteract;
 
     fn abort(self) -> Self::APP;
-
-    fn no_op(self) -> Self::APP;
 }
 
 pub trait IAppEventFetch {
@@ -111,22 +107,12 @@ pub trait IAppInteractMatches {
     fn select(self) -> Self::APP;
 
     fn abort(self) -> Self::APP;
-
-    fn no_op(self) -> Self::APP;
 }
 
 pub trait IAppInteractError {
     type APP: IAppInteract;
 
     fn dismiss_error(self) -> Self::APP;
-
-    fn no_op(self) -> Self::APP;
-}
-
-pub trait IAppInteractCritical {
-    type APP: IAppInteract;
-
-    fn no_op(self) -> Self::APP;
 }
 
 // It would be preferable to have a getter for each field separately. However, the selection field
diff --git a/src/tui/handler.rs b/src/tui/handler.rs
index e934870..513a9fd 100644
--- a/src/tui/handler.rs
+++ b/src/tui/handler.rs
@@ -5,14 +5,13 @@ use mockall::automock;
 
 use crate::tui::{
     app::{
-        AppState, Delta, IAppInteract, IAppInteractBrowse, IAppInteractCritical, IAppInteractError,
-        IAppInteractFetch, IAppInteractInfo, IAppInteractMatches, IAppInteractReload,
-        IAppInteractSearch,
+        AppState, Delta, IAppInteract, IAppInteractBrowse, IAppInteractError, IAppInteractFetch,
+        IAppInteractInfo, IAppInteractMatches, IAppInteractReload, IAppInteractSearch,
     },
     event::{Event, EventError, EventReceiver},
 };
 
-use super::app::IAppEventFetch;
+use super::app::{IAppBase, IAppEventFetch};
 
 #[cfg_attr(test, automock)]
 pub trait IEventHandler<APP: IAppInteract> {