diff --git a/src/Main.kt b/src/Main.kt
index d25d777..17a07c1 100644
--- a/src/Main.kt
+++ b/src/Main.kt
@@ -1,4 +1,5 @@
 import audio.AudioPlayer
+import content.ContentCache
 import org.tinylog.Logger
 
 
@@ -7,5 +8,6 @@ fun main() {
     Logger.info("Application started" as Any)
     val audioPlayer = AudioPlayer(44100) // 44100 Hz sampling rate
     audioPlayer.InitAudio(1)
+    val content = ContentCache()
 
 }
diff --git a/src/content/Category.kt b/src/content/Category.kt
new file mode 100644
index 0000000..6bb0af3
--- /dev/null
+++ b/src/content/Category.kt
@@ -0,0 +1,15 @@
+package content
+
+@Suppress("unused")
+enum class Category(name: String) {
+    AirlineCode("Airline_Code"),
+    AirplaneName("Airplane_Name"),
+    AlphabetNumeric("AlphabetNumeric"),
+    City("City"),
+    Phrase("Phrase"),
+    Places("Places"),
+    PlatNomor("PlatNomor"),
+    Shalat("Shalat"),
+    Year("Year"),
+    Birthday("Birthday");
+}
\ No newline at end of file
diff --git a/src/content/ContentCache.kt b/src/content/ContentCache.kt
new file mode 100644
index 0000000..5e3e0e7
--- /dev/null
+++ b/src/content/ContentCache.kt
@@ -0,0 +1,44 @@
+package content
+
+import audio.AudioFileInfo
+
+/**
+ * Class to manage loaded content in the application.
+ * This class provides methods to retrieve and add soundbank data based on specific criteria.
+ */
+@Suppress("unused")
+class ContentCache {
+    val contentList = ArrayList<SoundbankData>()
+
+    /**
+     * Get the specified SoundbankData from tag, category, language, and voiceType.
+     * @return SoundbankData if found, null otherwise.
+     */
+    fun Get(tag: String, category: Category, language: Language, voiceType: VoiceType): SoundbankData? {
+
+        return contentList.find { it ->
+            it.TAG == tag &&
+            it.Category == category &&
+            it.Language == language &&
+            it.VoiceType == voiceType &&
+            it.audio.isValid()
+        }
+    }
+
+    /**
+     * Adds a new soundbank to the content list if it does not already exist.
+     *
+     * @param tag The unique identifier for the soundbank.
+     * @param category The category of the soundbank.
+     * @param language The language of the soundbank.
+     * @param voiceType The voice type of the soundbank.
+     * @param audio The audio file information for the soundbank.
+     * @return True if the soundbank was added, false if it already exists.
+     */
+    fun Add(tag: String, category: Category, language: Language, voiceType: VoiceType, audio: AudioFileInfo): Boolean {
+        val existing = Get(tag, category, language, voiceType)
+        if (existing!=null) return false
+        contentList.add(SoundbankData(tag, category, language, voiceType, audio))
+        return true
+    }
+}
\ No newline at end of file
diff --git a/src/content/Language.kt b/src/content/Language.kt
new file mode 100644
index 0000000..0274b87
--- /dev/null
+++ b/src/content/Language.kt
@@ -0,0 +1,16 @@
+package content
+
+/**
+ * Enum class representing different languages.
+ *
+ * @property name The name of the language, as in Soundbank Database
+ */
+@Suppress("unused")
+enum class Language(name: String) {
+    Indonesia("INDONESIA"),
+    English("ENGLISH"),
+    Local("LOCAL"),
+    Japanese("JAPANESE"),
+    Chinese("CHINESE"),
+    Arabic("ARABIC"),;
+}
\ No newline at end of file
diff --git a/src/content/SoundbankData.kt b/src/content/SoundbankData.kt
new file mode 100644
index 0000000..8e63ccd
--- /dev/null
+++ b/src/content/SoundbankData.kt
@@ -0,0 +1,6 @@
+package content
+
+import audio.AudioFileInfo
+
+@Suppress("unused")
+data class SoundbankData(val TAG: String, val Category: Category, val Language: Language, val VoiceType: VoiceType, val audio: AudioFileInfo)
diff --git a/src/content/VoiceType.kt b/src/content/VoiceType.kt
new file mode 100644
index 0000000..639f46d
--- /dev/null
+++ b/src/content/VoiceType.kt
@@ -0,0 +1,13 @@
+package content
+
+/**
+ * Enum class representing different voice types.
+ *
+ * @property voicename The name of the voice type.
+ */
+@Suppress("unused")
+enum class VoiceType(voicename: String) {
+    Voice1("VOICE_1"),
+    Voice2("VOICE_2"),
+    Voice3("VOICE_3");
+}
\ No newline at end of file