diff --git a/src/backend/common/vendor/ListenbrainzApiClient.ts b/src/backend/common/vendor/ListenbrainzApiClient.ts
index a3e7ae0a..53926498 100644
--- a/src/backend/common/vendor/ListenbrainzApiClient.ts
+++ b/src/backend/common/vendor/ListenbrainzApiClient.ts
@@ -1,7 +1,7 @@
 import { stringSameness } from '@foxxmd/string-sameness';
 import dayjs from "dayjs";
 import request, { Request, Response } from 'superagent';
-import { BrainzMeta, PlayObject, URLData } from "../../../core/Atomic.js";
+import { BrainzMeta, PlayObject, SCROBBLE_TS_SOC_START, URLData } from "../../../core/Atomic.js";
 import { combinePartsToString, slice } from "../../../core/StringUtils.js";
 import {
     findDelimiters,
@@ -263,7 +263,8 @@ export class ListenbrainzApiClient extends AbstractApiClient {
                     release_mbid,
                     release_group_mbid,
                     release_artist_name,
-                    release_artist_names = []
+                    release_artist_names = [],
+                    scrobble_ts_soc = SCROBBLE_TS_SOC_START
                 } = {}
             } = {},
         } = payload;
@@ -295,6 +296,7 @@ export class ListenbrainzApiClient extends AbstractApiClient {
             },
             meta: {
                 nowPlaying,
+                scrobbleTsSOC: scrobble_ts_soc
             }
         }
     }
diff --git a/src/backend/common/vendor/listenbrainz/interfaces.ts b/src/backend/common/vendor/listenbrainz/interfaces.ts
index 360d358a..a1e672f7 100644
--- a/src/backend/common/vendor/listenbrainz/interfaces.ts
+++ b/src/backend/common/vendor/listenbrainz/interfaces.ts
@@ -3,6 +3,8 @@
  * https://musicbrainz.org/doc/MusicBrainz_Database/Schema#Overview
 */
 
+import { ScrobbleTsSOC } from "../../../../core/Atomic.js";
+
 /** A unique product a Recording is issued on.
  *
  * This is like an album (release group) but is specific to the type, year, catalog, etc... for this release
@@ -123,6 +125,11 @@ export interface SubmitListenAdditionalTrackInfo extends AdditionalTrackInfo {
     spotify_album_artist_ids?: string[];
     spotify_artist_ids?: string[];
     albumartist?: string;
+    /** Is the timestamp (listened_at) from when the user started listening or when they stopped listening?
+     * 
+     * Specific to multi-scrobbler
+     */
+    scrobble_ts_soc?: ScrobbleTsSOC
 }
 export interface TrackPayload extends MinimumTrack {
     additional_info?: SubmitListenAdditionalTrackInfo;