diff --git a/src/Content/SoundBank.cs b/src/Content/SoundBank.cs
index a499987..48913f3 100644
--- a/src/Content/SoundBank.cs
+++ b/src/Content/SoundBank.cs
@@ -13,6 +13,9 @@
 namespace XnaToFna {
     public static partial class ContentHelper {
 
+        // Many thanks to Ethan Lee and everyone else involved for his reverse-engineering work that powers this!
+        // This is heavily based on FNA / FACT.
+
         public enum SoundBankEventType : uint {
             Stop = 0,
             PlayWave = 1,
@@ -306,9 +309,10 @@ public static void UpdateSoundBank(string path, BinaryReader reader, BinaryWrite
                 writer.Write(reader.ReadBytesUntil(cuesComplexPos));
                 for (ushort i = 0; i < cuesComplex; i++) {
                     byte flags = reader.ReadByte();
-                    writer.Write(flags);
-                    if ((flags & 0x04) == 0x04)
+                    if ((flags & 0x04) == 0x00) {
                         variations++;
+                    }
+                    writer.Write(flags);
                     writer.Write(SwapEndian(x360, reader.ReadUInt32()));
                     writer.Write(SwapEndian(x360, reader.ReadUInt32()));
                     writer.Write(reader.ReadByte());
@@ -318,17 +322,24 @@ public static void UpdateSoundBank(string path, BinaryReader reader, BinaryWrite
                 }
 
                 if (variations != 0) {
+                    // Variation data seems to... vary... between X360 and PC.
                     writer.Write(reader.ReadBytesUntil(variationsPos));
                     for (ushort i = 0; i < variations; i++) {
-                        ushort count = SwapEndian(x360, reader.ReadUInt16());
+                        ushort count;
+                        ushort flags;
+                        if (platform == 1) {
+                            count = SwapEndian(x360, reader.ReadUInt16());
+                            flags = SwapEndian(x360, reader.ReadUInt16());
+                        } else {
+                            flags = SwapEndian(x360, reader.ReadUInt16());
+                            count = SwapEndian(x360, reader.ReadUInt16());
+                        }
                         writer.Write(count);
-                        ushort flags = SwapEndian(x360, reader.ReadUInt16());
                         writer.Write(flags);
-                        flags = (ushort) ((short) (flags >> 3) & 0x7);
                         writer.Write(SwapEndian(x360, reader.ReadUInt16()));
                         writer.Write(SwapEndian(x360, reader.ReadUInt16()));
 
-                        switch (flags) {
+                        switch ((flags >> 3) & 0x07) {
                             case 0:
                                 for (ushort ci = 0; ci < count; ci++) {
                                     writer.Write(SwapEndian(x360, reader.ReadUInt16()));
diff --git a/src/Content/WaveBank.cs b/src/Content/WaveBank.cs
index 7cfcede..4dc9318 100644
--- a/src/Content/WaveBank.cs
+++ b/src/Content/WaveBank.cs
@@ -13,6 +13,9 @@
 namespace XnaToFna {
     public static partial class ContentHelper {
 
+        // Many thanks to Ethan Lee and everyone else involved for his reverse-engineering work that powers this!
+        // This is heavily based on FNA / FACT.
+
         public static class XWMAInfo {
             public readonly static int[] BytesPerSecond = { 12000, 24000, 4000, 6000, 8000, 20000 };
             public readonly static short[] BlockAlign = { 929, 1487, 1280, 2230, 8917, 8192, 4459, 5945, 2304, 1536, 1485, 1008, 2731, 4096, 6827, 5462 };
diff --git a/src/Content/XACTGlobalSettings.cs b/src/Content/XACTGlobalSettings.cs
index 1fe0847..387d73f 100644
--- a/src/Content/XACTGlobalSettings.cs
+++ b/src/Content/XACTGlobalSettings.cs
@@ -13,6 +13,9 @@
 namespace XnaToFna {
     public static partial class ContentHelper {
 
+        // Many thanks to Ethan Lee and everyone else involved for his reverse-engineering work that powers this!
+        // This is heavily based on FNA / FACT.
+
         public enum CrossfadeType : byte {
             Linear,
             Logarithmic,