diff --git a/internal/db/dbq/recommendation.sql.go b/internal/db/dbq/recommendation.sql.go
index 97a620df..dd1dea47 100644
--- a/internal/db/dbq/recommendation.sql.go
+++ b/internal/db/dbq/recommendation.sql.go
@@ -34,6 +34,10 @@ WHERE t.id <> $2
     WHERE user_id = $1 AND track_id = t.id
       AND started_at > now() - $3 * interval '1 hour'
   )
+  AND NOT EXISTS (
+    SELECT 1 FROM lidarr_quarantine q
+    WHERE q.user_id = $1 AND q.track_id = t.id
+  )
 `
 
 type LoadRadioCandidatesParams struct {
@@ -117,6 +121,10 @@ excluded_ids AS (
     SELECT pe.track_id AS id
     FROM play_events pe
     WHERE pe.user_id = $1 AND pe.started_at > now() - $3 * interval '1 hour'
+    UNION ALL
+    SELECT q.track_id AS id
+    FROM lidarr_quarantine q
+    WHERE q.user_id = $1
 ),
 lb_similar AS (
     SELECT ts.track_b_id AS track_id, ts.score AS sim_score
diff --git a/internal/db/dbq/tracks.sql.go b/internal/db/dbq/tracks.sql.go
index d17447c9..65486ad8 100644
--- a/internal/db/dbq/tracks.sql.go
+++ b/internal/db/dbq/tracks.sql.go
@@ -33,6 +33,28 @@ func (q *Queries) CountTracksMatching(ctx context.Context, dollar_1 string) (int
 	return count, err
 }
 
+const countTracksMatchingForUser = `-- name: CountTracksMatchingForUser :one
+SELECT COUNT(*) FROM tracks
+WHERE title ILIKE '%' || $1::text || '%'
+  AND NOT EXISTS (
+    SELECT 1 FROM lidarr_quarantine q
+    WHERE q.user_id = $2 AND q.track_id = tracks.id
+  )
+`
+
+type CountTracksMatchingForUserParams struct {
+	Column1 string
+	UserID  pgtype.UUID
+}
+
+// $1 = title query, $2 = user_id.
+func (q *Queries) CountTracksMatchingForUser(ctx context.Context, arg CountTracksMatchingForUserParams) (int64, error) {
+	row := q.db.QueryRow(ctx, countTracksMatchingForUser, arg.Column1, arg.UserID)
+	var count int64
+	err := row.Scan(&count)
+	return count, err
+}
+
 const getTrackByID = `-- name: GetTrackByID :one
 SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at FROM tracks WHERE id = $1
 `
@@ -127,6 +149,59 @@ func (q *Queries) ListTracksByAlbum(ctx context.Context, albumID pgtype.UUID) ([
 	return items, nil
 }
 
+const listTracksByAlbumForUser = `-- name: ListTracksByAlbumForUser :many
+SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at FROM tracks
+WHERE album_id = $1
+  AND NOT EXISTS (
+    SELECT 1 FROM lidarr_quarantine q
+    WHERE q.user_id = $2 AND q.track_id = tracks.id
+  )
+ORDER BY disc_number NULLS LAST, track_number NULLS LAST
+`
+
+type ListTracksByAlbumForUserParams struct {
+	AlbumID pgtype.UUID
+	UserID  pgtype.UUID
+}
+
+// Same as ListTracksByAlbum but excludes tracks the user has quarantined.
+// $1 = album_id, $2 = user_id.
+func (q *Queries) ListTracksByAlbumForUser(ctx context.Context, arg ListTracksByAlbumForUserParams) ([]Track, error) {
+	rows, err := q.db.Query(ctx, listTracksByAlbumForUser, arg.AlbumID, arg.UserID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Track
+	for rows.Next() {
+		var i Track
+		if err := rows.Scan(
+			&i.ID,
+			&i.Title,
+			&i.AlbumID,
+			&i.ArtistID,
+			&i.TrackNumber,
+			&i.DiscNumber,
+			&i.DurationMs,
+			&i.FilePath,
+			&i.FileSize,
+			&i.FileFormat,
+			&i.Bitrate,
+			&i.Mbid,
+			&i.Genre,
+			&i.AddedAt,
+			&i.UpdatedAt,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
 const searchTracks = `-- name: SearchTracks :many
 SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at FROM tracks
 WHERE title ILIKE '%' || $1 || '%'
@@ -176,6 +251,66 @@ func (q *Queries) SearchTracks(ctx context.Context, arg SearchTracksParams) ([]T
 	return items, nil
 }
 
+const searchTracksForUser = `-- name: SearchTracksForUser :many
+SELECT id, title, album_id, artist_id, track_number, disc_number, duration_ms, file_path, file_size, file_format, bitrate, mbid, genre, added_at, updated_at FROM tracks
+WHERE title ILIKE '%' || $1 || '%'
+  AND NOT EXISTS (
+    SELECT 1 FROM lidarr_quarantine q
+    WHERE q.user_id = $2 AND q.track_id = tracks.id
+  )
+ORDER BY title
+LIMIT $3 OFFSET $4
+`
+
+type SearchTracksForUserParams struct {
+	Column1 *string
+	UserID  pgtype.UUID
+	Limit   int32
+	Offset  int32
+}
+
+// $1 = title query, $2 = user_id, $3 = limit, $4 = offset.
+func (q *Queries) SearchTracksForUser(ctx context.Context, arg SearchTracksForUserParams) ([]Track, error) {
+	rows, err := q.db.Query(ctx, searchTracksForUser,
+		arg.Column1,
+		arg.UserID,
+		arg.Limit,
+		arg.Offset,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Track
+	for rows.Next() {
+		var i Track
+		if err := rows.Scan(
+			&i.ID,
+			&i.Title,
+			&i.AlbumID,
+			&i.ArtistID,
+			&i.TrackNumber,
+			&i.DiscNumber,
+			&i.DurationMs,
+			&i.FilePath,
+			&i.FileSize,
+			&i.FileFormat,
+			&i.Bitrate,
+			&i.Mbid,
+			&i.Genre,
+			&i.AddedAt,
+			&i.UpdatedAt,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
 const upsertTrack = `-- name: UpsertTrack :one
 INSERT INTO tracks (
     title, album_id, artist_id, track_number, disc_number,
diff --git a/internal/db/queries/recommendation.sql b/internal/db/queries/recommendation.sql
index 10e81601..f3dc081c 100644
--- a/internal/db/queries/recommendation.sql
+++ b/internal/db/queries/recommendation.sql
@@ -26,6 +26,10 @@ WHERE t.id <> $2
     SELECT 1 FROM play_events
     WHERE user_id = $1 AND track_id = t.id
       AND started_at > now() - $3 * interval '1 hour'
+  )
+  AND NOT EXISTS (
+    SELECT 1 FROM lidarr_quarantine q
+    WHERE q.user_id = $1 AND q.track_id = t.id
   );
 
 -- name: LoadRadioCandidatesV2 :many
@@ -53,6 +57,10 @@ excluded_ids AS (
     SELECT pe.track_id AS id
     FROM play_events pe
     WHERE pe.user_id = $1 AND pe.started_at > now() - $3 * interval '1 hour'
+    UNION ALL
+    SELECT q.track_id AS id
+    FROM lidarr_quarantine q
+    WHERE q.user_id = $1
 ),
 lb_similar AS (
     SELECT ts.track_b_id AS track_id, ts.score AS sim_score
diff --git a/internal/db/queries/tracks.sql b/internal/db/queries/tracks.sql
index 04bffc56..d9b06e1f 100644
--- a/internal/db/queries/tracks.sql
+++ b/internal/db/queries/tracks.sql
@@ -39,3 +39,34 @@ LIMIT $2 OFFSET $3;
 
 -- name: CountTracksMatching :one
 SELECT COUNT(*) FROM tracks WHERE title ILIKE '%' || $1::text || '%';
+
+-- name: ListTracksByAlbumForUser :many
+-- Same as ListTracksByAlbum but excludes tracks the user has quarantined.
+-- $1 = album_id, $2 = user_id.
+SELECT * FROM tracks
+WHERE album_id = $1
+  AND NOT EXISTS (
+    SELECT 1 FROM lidarr_quarantine q
+    WHERE q.user_id = $2 AND q.track_id = tracks.id
+  )
+ORDER BY disc_number NULLS LAST, track_number NULLS LAST;
+
+-- name: SearchTracksForUser :many
+-- $1 = title query, $2 = user_id, $3 = limit, $4 = offset.
+SELECT * FROM tracks
+WHERE title ILIKE '%' || $1 || '%'
+  AND NOT EXISTS (
+    SELECT 1 FROM lidarr_quarantine q
+    WHERE q.user_id = $2 AND q.track_id = tracks.id
+  )
+ORDER BY title
+LIMIT $3 OFFSET $4;
+
+-- name: CountTracksMatchingForUser :one
+-- $1 = title query, $2 = user_id.
+SELECT COUNT(*) FROM tracks
+WHERE title ILIKE '%' || $1::text || '%'
+  AND NOT EXISTS (
+    SELECT 1 FROM lidarr_quarantine q
+    WHERE q.user_id = $2 AND q.track_id = tracks.id
+  );