diff --git a/web/src/app/api/artists/[id]/route.test.ts b/web/src/app/api/artists/[id]/route.test.ts
index 2f5bfa1..1d001a4 100644
--- a/web/src/app/api/artists/[id]/route.test.ts
+++ b/web/src/app/api/artists/[id]/route.test.ts
@@ -12,6 +12,7 @@ async function seedArtist() {
       releases: {
         create: [
           { artistMbid: "a1", artistName: "John Mayer", rgMbid: "rg1", album: "Continuum", primaryType: "Album", secondaryTypes: [], firstReleaseDate: "2006-09-12", monitored: true, state: "grabbed", currentQualityClass: 1 },
+          { artistMbid: "a1", artistName: "John Mayer", rgMbid: "rg2", album: "Any Given Thursday", primaryType: "Album", secondaryTypes: ["Live"], firstReleaseDate: "2003", monitored: false, state: "wanted", currentQualityClass: null },
         ],
       },
     },
@@ -23,15 +24,27 @@ function patchReq(body: unknown) {
 }
 
 describe("artist item API", () => {
-  it("returns detail with releases", async () => {
+  it("returns detail with only core releases by default", async () => {
     const a = await seedArtist();
     const res = await GET(new Request("http://localhost/x"), ctx(a.id));
     expect(res.status).toBe(200);
     const body = await res.json();
     expect(body.name).toBe("John Mayer");
+    expect(body.showAllTypes).toBe(false);
+    expect(body.releases).toHaveLength(1);
     expect(body.releases[0]).toMatchObject({ rgMbid: "rg1", album: "Continuum", monitored: true, state: "grabbed", currentQualityClass: 1 });
   });
 
+  it("returns all releases when showAllTypes is set", async () => {
+    const a = await seedArtist();
+    await prisma.watchedArtist.update({ where: { id: a.id }, data: { showAllTypes: true } });
+    const res = await GET(new Request("http://localhost/x"), ctx(a.id));
+    const body = await res.json();
+    expect(body.showAllTypes).toBe(true);
+    expect(body.releases).toHaveLength(2);
+    expect(body.releases.map((r: { rgMbid: string }) => r.rgMbid).sort()).toEqual(["rg1", "rg2"]);
+  });
+
   it("404s an unknown artist on GET", async () => {
     expect((await GET(new Request("http://localhost/x"), ctx("nope"))).status).toBe(404);
   });
@@ -44,9 +57,19 @@ describe("artist item API", () => {
     expect((await prisma.watchedArtist.findUnique({ where: { id: a.id } }))!.autoMonitorFuture).toBe(true);
   });
 
-  it("400s a non-boolean toggle and 404s an unknown artist", async () => {
+  it("toggles showAllTypes", async () => {
+    const a = await seedArtist();
+    const res = await PATCH(patchReq({ showAllTypes: true }), ctx(a.id));
+    expect(res.status).toBe(200);
+    const body = await res.json();
+    expect(body.showAllTypes).toBe(true);
+    expect((await prisma.watchedArtist.findUnique({ where: { id: a.id } }))!.showAllTypes).toBe(true);
+  });
+
+  it("400s a body with neither valid boolean field and 404s an unknown artist", async () => {
     const a = await seedArtist();
     expect((await PATCH(patchReq({ autoMonitorFuture: "yes" }), ctx(a.id))).status).toBe(400);
+    expect((await PATCH(patchReq({}), ctx(a.id))).status).toBe(400);
     expect((await PATCH(patchReq({ autoMonitorFuture: true }), ctx("nope"))).status).toBe(404);
   });
 
diff --git a/web/src/app/api/artists/[id]/route.ts b/web/src/app/api/artists/[id]/route.ts
index 45855ff..0c22104 100644
--- a/web/src/app/api/artists/[id]/route.ts
+++ b/web/src/app/api/artists/[id]/route.ts
@@ -1,5 +1,6 @@
 import { prisma } from "@/lib/db";
 import { Prisma } from "@prisma/client";
+import { isCoreRelease } from "@/lib/release-filter";
 
 export async function GET(_request: Request, { params }: { params: Promise<{ id: string }> }) {
   const { id } = await params;
@@ -8,12 +9,14 @@ export async function GET(_request: Request, { params }: { params: Promise<{ id:
     include: { releases: { orderBy: [{ firstReleaseDate: "desc" }, { album: "asc" }] } },
   });
   if (!artist) return Response.json({ error: "not found" }, { status: 404 });
+  const visibleReleases = artist.showAllTypes ? artist.releases : artist.releases.filter(isCoreRelease);
   return Response.json({
     id: artist.id,
     mbid: artist.mbid,
     name: artist.name,
     autoMonitorFuture: artist.autoMonitorFuture,
-    releases: artist.releases.map((r) => ({
+    showAllTypes: artist.showAllTypes,
+    releases: visibleReleases.map((r) => ({
       id: r.id,
       rgMbid: r.rgMbid,
       album: r.album,
@@ -35,13 +38,26 @@ export async function PATCH(request: Request, { params }: { params: Promise<{ id
   } catch {
     return Response.json({ error: "invalid JSON" }, { status: 400 });
   }
-  const { autoMonitorFuture } = (body ?? {}) as { autoMonitorFuture?: unknown };
-  if (typeof autoMonitorFuture !== "boolean") {
-    return Response.json({ error: "autoMonitorFuture (boolean) is required" }, { status: 400 });
+  const { autoMonitorFuture, showAllTypes } = (body ?? {}) as {
+    autoMonitorFuture?: unknown;
+    showAllTypes?: unknown;
+  };
+  const data: { autoMonitorFuture?: boolean; showAllTypes?: boolean } = {};
+  if (typeof autoMonitorFuture === "boolean") data.autoMonitorFuture = autoMonitorFuture;
+  if (typeof showAllTypes === "boolean") data.showAllTypes = showAllTypes;
+  if (Object.keys(data).length === 0) {
+    return Response.json(
+      { error: "autoMonitorFuture or showAllTypes (boolean) is required" },
+      { status: 400 },
+    );
   }
   try {
-    const updated = await prisma.watchedArtist.update({ where: { id }, data: { autoMonitorFuture } });
-    return Response.json({ id: updated.id, autoMonitorFuture: updated.autoMonitorFuture });
+    const updated = await prisma.watchedArtist.update({ where: { id }, data });
+    return Response.json({
+      id: updated.id,
+      autoMonitorFuture: updated.autoMonitorFuture,
+      showAllTypes: updated.showAllTypes,
+    });
   } catch (e) {
     if (e instanceof Prisma.PrismaClientKnownRequestError && e.code === "P2025") {
       return Response.json({ error: "not found" }, { status: 404 });
diff --git a/web/src/app/api/artists/route.test.ts b/web/src/app/api/artists/route.test.ts
index 4b964be..5eb593f 100644
--- a/web/src/app/api/artists/route.test.ts
+++ b/web/src/app/api/artists/route.test.ts
@@ -57,4 +57,26 @@ describe("artists collection API", () => {
     const a = (await res.json()).artists[0];
     expect(a).toMatchObject({ mbid: "a1", name: "John Mayer", releaseCount: 1, monitoredCount: 1, haveCount: 1 });
   });
+
+  it("counts only core releases unless showAllTypes is set", async () => {
+    await prisma.watchedArtist.create({
+      data: {
+        mbid: "a2",
+        name: "Live Band",
+        releases: {
+          create: [
+            { artistMbid: "a2", artistName: "Live Band", rgMbid: "rg-core", album: "Studio Album", primaryType: "Album", secondaryTypes: [], firstReleaseDate: "2010", monitored: true, state: "grabbed", currentQualityClass: 1 },
+            { artistMbid: "a2", artistName: "Live Band", rgMbid: "rg-live", album: "Live at the Roxy", primaryType: "Album", secondaryTypes: ["Live"], firstReleaseDate: "2011", monitored: true, state: "wanted", currentQualityClass: 2 },
+          ],
+        },
+      },
+    });
+
+    const before = (await (await GET()).json()).artists.find((a: { mbid: string }) => a.mbid === "a2");
+    expect(before).toMatchObject({ showAllTypes: false, releaseCount: 1, monitoredCount: 1, haveCount: 1 });
+
+    await prisma.watchedArtist.update({ where: { mbid: "a2" }, data: { showAllTypes: true } });
+    const after = (await (await GET()).json()).artists.find((a: { mbid: string }) => a.mbid === "a2");
+    expect(after).toMatchObject({ showAllTypes: true, releaseCount: 2, monitoredCount: 2, haveCount: 2 });
+  });
 });
diff --git a/web/src/app/api/artists/route.ts b/web/src/app/api/artists/route.ts
index d04fd45..b80820e 100644
--- a/web/src/app/api/artists/route.ts
+++ b/web/src/app/api/artists/route.ts
@@ -1,21 +1,30 @@
 import { prisma } from "@/lib/db";
 import { browseReleaseGroups } from "@/lib/musicbrainz";
+import { isCoreRelease } from "@/lib/release-filter";
 
 export async function GET() {
   const artists = await prisma.watchedArtist.findMany({
     orderBy: { createdAt: "desc" },
-    include: { releases: { select: { monitored: true, currentQualityClass: true } } },
+    include: {
+      releases: {
+        select: { monitored: true, currentQualityClass: true, primaryType: true, secondaryTypes: true },
+      },
+    },
   });
   return Response.json({
-    artists: artists.map((a) => ({
-      id: a.id,
-      mbid: a.mbid,
-      name: a.name,
-      autoMonitorFuture: a.autoMonitorFuture,
-      releaseCount: a.releases.length,
-      monitoredCount: a.releases.filter((r) => r.monitored).length,
-      haveCount: a.releases.filter((r) => r.currentQualityClass !== null).length,
-    })),
+    artists: artists.map((a) => {
+      const visible = a.showAllTypes ? a.releases : a.releases.filter(isCoreRelease);
+      return {
+        id: a.id,
+        mbid: a.mbid,
+        name: a.name,
+        autoMonitorFuture: a.autoMonitorFuture,
+        showAllTypes: a.showAllTypes,
+        releaseCount: visible.length,
+        monitoredCount: visible.filter((r) => r.monitored).length,
+        haveCount: visible.filter((r) => r.currentQualityClass !== null).length,
+      };
+    }),
   });
 }
 
diff --git a/web/src/lib/release-filter.test.ts b/web/src/lib/release-filter.test.ts
new file mode 100644
index 0000000..29faced
--- /dev/null
+++ b/web/src/lib/release-filter.test.ts
@@ -0,0 +1,16 @@
+import { describe, it, expect } from "vitest";
+import { isCoreRelease } from "./release-filter";
+
+describe("isCoreRelease", () => {
+  it("accepts Album/Single/EP with no secondary types", () => {
+    expect(isCoreRelease({ primaryType: "Album", secondaryTypes: [] })).toBe(true);
+    expect(isCoreRelease({ primaryType: "Single", secondaryTypes: [] })).toBe(true);
+    expect(isCoreRelease({ primaryType: "EP", secondaryTypes: [] })).toBe(true);
+  });
+  it("rejects secondary types and non-core primaries and null", () => {
+    expect(isCoreRelease({ primaryType: "Album", secondaryTypes: ["Live"] })).toBe(false);
+    expect(isCoreRelease({ primaryType: "Album", secondaryTypes: ["Compilation"] })).toBe(false);
+    expect(isCoreRelease({ primaryType: "Broadcast", secondaryTypes: [] })).toBe(false);
+    expect(isCoreRelease({ primaryType: null, secondaryTypes: [] })).toBe(false);
+  });
+});
diff --git a/web/src/lib/release-filter.ts b/web/src/lib/release-filter.ts
new file mode 100644
index 0000000..d02731d
--- /dev/null
+++ b/web/src/lib/release-filter.ts
@@ -0,0 +1,6 @@
+const CORE_PRIMARY = new Set(["Album", "Single", "EP"]);
+
+/** A "core" studio release: Album/Single/EP with no secondary types (live, compilation, etc.). */
+export function isCoreRelease(r: { primaryType: string | null; secondaryTypes: string[] }): boolean {
+  return CORE_PRIMARY.has(r.primaryType ?? "") && r.secondaryTypes.length === 0;
+}