diff --git a/vite/src/pipedal/PiPedalModel.tsx b/vite/src/pipedal/PiPedalModel.tsx
index 1c4db09..4d4d64e 100644
--- a/vite/src/pipedal/PiPedalModel.tsx
+++ b/vite/src/pipedal/PiPedalModel.tsx
@@ -2343,6 +2343,22 @@ export class PiPedalModel //implements PiPedalModel
         }
     }
     setPatchProperty(instanceId: number, uri: string, value: any): Promise<boolean> {
+        // Audio related properties are written without waiting for a reply.
+        // These URIs correspond to Toob player audio state. The server
+        // broadcasts changes via on...changed messages, so we don't
+        // need to wait for the reply when updating them.
+        const audioProps = [
+            "http://two-play.com/plugins/toob-player#audioFile",
+            "http://two-play.com/plugins/toob-player#loop",
+            "http://two-play.com/plugins/toob-player#seek",
+        ];
+        if (audioProps.indexOf(uri) >= 0) {
+            if (this.webSocket) {
+                this.webSocket.send("setPatchProperty", { instanceId: instanceId, propertyUri: uri, value: value });
+            }
+            return Promise.resolve(true);
+        }
+
         let result = new Promise<boolean>((resolve, reject) => {
             if (this.webSocket) {
                 this.webSocket.request<boolean>(
@@ -2983,7 +2999,7 @@ export class PiPedalModel //implements PiPedalModel
             // notify the server.
             let ws = this.webSocket;
             if (!ws) {
-                reject("Not connected.");
+                resolve();
                 return;
             }
             ws.request<void>(
@@ -2994,7 +3010,8 @@ export class PiPedalModel //implements PiPedalModel
                     resolve();
                 })
                 .catch((err) => {
-                    reject(err);
+                // ignore expected disconnects/errors
+                resolve();
                 });
 
         });
@@ -3049,7 +3066,8 @@ export class PiPedalModel //implements PiPedalModel
                        resolve();
                 })
                 .catch((err) => {
-                       reject(err);
+                     // ignore expected disconnects/errors
+                       resolve();
                 });
             //resolve();