diff --git a/webapp/path_navigator.html b/webapp/path_navigator.html
index bf7eb8f..bfcf8db 100644
--- a/webapp/path_navigator.html
+++ b/webapp/path_navigator.html
@@ -473,16 +473,12 @@
             // Play each node using chordIndex + localId (let server calculate frequency)
             nodes.forEach((node) => {
                 const localId = node.data('localId');
-                // Label always uses auto (node's voice)
+                // Label always uses auto (node's voice) - never send sirenNumber
                 const body = { 
                     chordIndex: chordIdx, 
                     nodeIndex: localId,
                     ip: sirenIp,
                 };
-                // Only add sirenNumber if a specific siren is selected
-                if (selectedSiren > 0) {
-                    body.sirenNumber = selectedSiren;
-                }
                 
                 fetch('/api/play-siren', {
                     method: 'POST',
@@ -741,7 +737,7 @@
                 // Handle label node clicks
                 if (node.data('isLabel')) {
                     const chordIdx = node.data('chordIndex');
-                    if (rampMode || isShift) {
+                    if (rampMode) {
                         rampToChord(chordIdx);
                     } else {
                         playChordOnSiren(chordIdx);
@@ -753,18 +749,9 @@
                 const localId = node.data('localId');
                 const sirenIp = document.getElementById('sirenIp').value || "192.168.4.200";
                 
-                // Determine action: ramp or play
-                if (rampMode || isShift) {
-                    // Ramp to siren
-                    rampToChord(chordIndex, localId);
-                    return;
-                }
-                
-                // Check if Shift key is held - send to SuperCollider
+                // 1. Shift+click → SuperCollider (FIRST)
                 if (isShift) {
-                    // Send to SuperCollider
                     const endpoint = '/api/play-freq';
-                    const sirenIp = document.getElementById('sirenIp').value || "192.168.4.200";
                     
                     const requestBody = {
                         chordIndex: chordIndex,
@@ -782,7 +769,13 @@
                     return;
                 }
                 
-                // Plain click: play to siren
+                // 2. Ramp mode ON → ramp to siren
+                if (rampMode) {
+                    rampToChord(chordIndex, localId);
+                    return;
+                }
+                
+                // 3. Plain click: play to siren
                 const endpoint = '/api/play-siren';
                 const destination = 'siren';