diff --git a/app/static/js/services/soundfontPlayer.js b/app/static/js/services/soundfontPlayer.js
index 8faea4a..4ce6f28 100644
--- a/app/static/js/services/soundfontPlayer.js
+++ b/app/static/js/services/soundfontPlayer.js
@@ -155,15 +155,26 @@
                 console.log("[SonicSF][DEBUG] PHASE2d: addSoundBank SUCCESS. _currentSfId=" + _currentSfId + " total banks=" + bankCount);
                 // Try to enumerate presets from loaded bank
                 try {
-                    const presetList = _synthInstance.soundBankManager?.soundBankList?.[0]?.soundBank?.presets;
-                    if (presetList) {
-                        console.log("[SonicSF][DEBUG] PHASE2d: presets in loaded bank=" + presetList.length);
-                        for (let i = 0; i < Math.min(presetList.length, 10); i++) {
-                            const p = presetList[i];
-                            console.log("[SonicSF][DEBUG] PHASE2d: preset[" + i + "] name=" + p.name + " bank=" + p.bankMSB + "/" + p.bankLSB + " prog=" + p.program + " drum=" + p.isGMGSDrum);
+                    const sb = _synthInstance.soundBankManager?.soundBankList?.[0]?.soundBank;
+                    if (sb) {
+                        const allKeys = Object.keys(sb);
+                        console.log("[SonicSF][DEBUG] PHASE2d: soundBank keys=" + JSON.stringify(allKeys.slice(0, 20)));
+                        console.log("[SonicSF][DEBUG] PHASE2d: soundBank.presets length=" + (sb.presets?.length ?? "undefined"));
+                        console.log("[SonicSF][DEBUG] PHASE2d: soundBank.instruments length=" + (sb.instruments?.length ?? "undefined"));
+                        console.log("[SonicSF][DEBUG] PHASE2d: soundBank.samples length=" + (sb.samples?.length ?? "undefined"));
+                        console.log("[SonicSF][DEBUG] PHASE2d: soundBank._presetList length=" + (sb._presetList?.length ?? "undefined"));
+                        if (sb.presets && sb.presets.length > 0) {
+                            console.log("[SonicSF][DEBUG] PHASE2d: presets in loaded bank=" + sb.presets.length);
+                            for (let i = 0; i < Math.min(sb.presets.length, 10); i++) {
+                                const p = sb.presets[i];
+                                const pk = Object.keys(p).slice(0, 8);
+                                console.log("[SonicSF][DEBUG] PHASE2d: preset[" + i + "] name=" + p.name + " keys=" + JSON.stringify(pk) + " bank=" + p.bankMSB + "/" + p.bankLSB + " prog=" + p.program + " drum=" + p.isGMGSDrum);
+                            }
+                        } else {
+                            console.warn("[SonicSF][DEBUG] PHASE2d: soundBank.presets is EMPTY — parser didn't extract presets");
                         }
                     } else {
-                        console.warn("[SonicSF][DEBUG] PHASE2d: soundBankList[0].soundBank.presets is UNDEFINED or EMPTY");
+                        console.warn("[SonicSF][DEBUG] PHASE2d: soundBankList[0] is EMPTY");
                     }
                 } catch (e) {
                     console.warn("[SonicSF][DEBUG] PHASE2d: preset enumeration failed:", e);