diff --git a/js/SoundLevelEnum.js b/js/SoundLevelEnum.ts
similarity index 100%
rename from js/SoundLevelEnum.js
rename to js/SoundLevelEnum.ts
diff --git a/js/SoundScope.ts b/js/SoundScope.ts
new file mode 100644
index 00000000..0e4b805d
--- /dev/null
+++ b/js/SoundScope.ts
@@ -0,0 +1,24 @@
+// Copyright 2022, University of Colorado Boulder
+
+/**
+ * This enum is used to describe whether a sound is part of the "basic" sounds or the "enhanced" sounds.
+ *
+ * @author John Blanco (PhET Interactive Simulations)
+ */
+
+import Enumeration from '../../phet-core/js/Enumeration.js';
+import EnumerationValue from '../../phet-core/js/EnumerationValue.js';
+import tambo from './tambo.js';
+
+class SoundScope extends EnumerationValue {
+  static BASIC = new SoundScope();
+  static ENHANCED = new SoundScope();
+
+  // Gets a list of keys, values and mapping between them. For use by EnumerationProperty and PhET-iO.
+  static enumeration = new Enumeration( SoundScope, {
+    phetioDocumentation: 'describes whether a sound is considered part of the basic or the enhanced sounds for the sim'
+  } );
+}
+
+tambo.register( 'SoundScope', SoundScope );
+export default SoundScope;
\ No newline at end of file