diff --git a/data/definitions/CMakeLists.txt b/data/definitions/CMakeLists.txt
index 1223e8eb22210ff5292734223b233960e38e60e4..d591c569842e5fba3aebab3d5166ce958b3d5c34 100644
--- a/data/definitions/CMakeLists.txt
+++ b/data/definitions/CMakeLists.txt
@@ -2,6 +2,7 @@ set(minuet_DEFINITIONS
     intervals-ascending-melodic-definitions.json
     intervals-descending-melodic-definitions.json
     chords-root-position-definitions.json
+    scales-major-and-its-modes-definitions.json
 )
 
 install(FILES ${minuet_DEFINITIONS} DESTINATION ${KDE_INSTALL_DATADIR}/minuet/definitions)
diff --git a/data/definitions/scales-major-and-its-modes-definitions.json b/data/definitions/scales-major-and-its-modes-definitions.json
new file mode 100644
index 0000000000000000000000000000000000000000..b4a946e7a6c833babe6e9e504e870b025515cd9d
--- /dev/null
+++ b/data/definitions/scales-major-and-its-modes-definitions.json
@@ -0,0 +1,39 @@
+{
+  "definitions": [
+    {
+      "tags": ["scale", "ascending", "major"],
+      "name": "Ionian",
+      "sequence": "2 4 5 7 9 11 12"
+    },
+    {
+      "tags": ["scale", "ascending", "major"],
+      "name": "Dorian",
+      "sequence": "2 3 5 7 9 10 12"
+    },
+    {
+      "tags": ["scale", "ascending", "major"],
+      "name": "Phrygian",
+      "sequence": "1 3 5 7 8 10 12"
+    },
+    {
+      "tags": ["scale", "ascending", "major"],
+      "name": "Lydian",
+      "sequence": "2 4 6 7 9 11 12"
+    },
+    {
+      "tags": ["scale", "ascending", "major"],
+      "name": "Mixolydian",
+      "sequence": "2 4 5 7 9 10 12"
+    },
+    {
+      "tags": ["scale", "ascending", "major"],
+      "name": "Aeolian",
+      "sequence": "2 3 5 7 8 10 12"
+    },
+    {
+      "tags": ["scale", "ascending", "major"],
+      "name": "Locrian",
+      "sequence": "1 3 5 6 8 10 12"
+    }
+  ]
+}
diff --git a/data/exercises/CMakeLists.txt b/data/exercises/CMakeLists.txt
index edc25c0b9be25a572b96311b837ee9979c077841..c528a75919b70227836d79606258eb0ca5f24318 100644
--- a/data/exercises/CMakeLists.txt
+++ b/data/exercises/CMakeLists.txt
@@ -2,6 +2,7 @@ set(minuet_EXERCISES
     intervals-ascending-melodic-exercises.json
     intervals-descending-melodic-exercises.json
     chords-root-position-exercises.json
+    scales-major-and-its-modes-exercises.json
 )
 
 install(FILES ${minuet_EXERCISES} DESTINATION ${KDE_INSTALL_DATADIR}/minuet/exercises)
diff --git a/data/exercises/scales-major-and-its-modes-exercises.json b/data/exercises/scales-major-and-its-modes-exercises.json
new file mode 100644
index 0000000000000000000000000000000000000000..84a319c773f9ae53e37f9dbe71ac3d0633e29168
--- /dev/null
+++ b/data/exercises/scales-major-and-its-modes-exercises.json
@@ -0,0 +1,16 @@
+{
+  "exercises": [
+    {
+      "name": "Scales",
+      "root": "21..104",
+      "playMode": "scale",
+      "userMessage": "the scale",
+      "children": [
+        {
+          "name": "Major Scale and its Modes",
+          "and-tags": ["scale", "major"]
+        }
+      ]
+    }
+  ]
+}
diff --git a/data/scales-major-and-its-modes.json b/data/scales-major-and-its-modes.json
deleted file mode 100644
index a086ecd56472c97bc54e9c9d977adef155d707e6..0000000000000000000000000000000000000000
--- a/data/scales-major-and-its-modes.json
+++ /dev/null
@@ -1,45 +0,0 @@
-{
-  "exercises": [
-    {
-      "name": "Scales",
-      "root": "21..104",
-      "playMode": "scale",
-      "userMessage": "the scale",
-      "children": [
-        {
-            "name": "Major Scale and its Modes",
-            "options": [
-              {
-                "name": "Ionian",
-                "sequence": "2 4 5 7 9 11 12"
-              },
-              {
-                "name": "Dorian",
-                "sequence": "2 3 5 7 9 10 12"
-              },
-              {
-                "name": "Phrygian",
-                "sequence": "1 3 5 7 8 10 12"
-              },
-              {
-                "name": "Lydian",
-                "sequence": "2 4 6 7 9 11 12"
-              },
-              {
-                "name": "Mixolydian",
-                "sequence": "2 4 5 7 9 10 12"
-              },
-              {
-                "name": "Aeolian",
-                "sequence": "2 3 5 7 8 10 12"
-              },
-              {
-                "name": "Locrian",
-                "sequence": "1 3 5 6 8 10 12"
-              }
-           ]
-        }
-      ]
-    }
-  ]
-}
diff --git a/src/shell/exercisecontroller.cpp b/src/shell/exercisecontroller.cpp
index bc30a5e3f84212e1562bdba75f43e57d88a9e8a6..ad490e47bc2b5bb03562152580c87e045e4a6e2f 100644
--- a/src/shell/exercisecontroller.cpp
+++ b/src/shell/exercisecontroller.cpp
@@ -44,8 +44,7 @@ ExerciseController::ExerciseController(MidiSequencer *midiSequencer) :
     m_maxRootNote(0),
     m_playMode(ScalePlayMode),
     m_answerLength(1),
-    m_chosenRootNote(0),
-    m_chosenExercise(0)
+    m_chosenRootNote(0)
 {
     m_exercises["exercises"] = QJsonArray();
     m_exercises["definitions"] = QJsonArray();
@@ -115,8 +114,8 @@ QStringList ExerciseController::randomlyChooseExercises()
     }
 
     for (unsigned int i = 0; i < m_answerLength; ++i) {
-        m_chosenExercise = qrand() % m_exerciseOptions.size();
-        QString sequence = m_exerciseOptions[m_chosenExercise].toObject()[QStringLiteral("sequence")].toString();
+        unsigned int chosenExercise = qrand() % m_exerciseOptions.size();
+        QString sequence = m_exerciseOptions[chosenExercise].toObject()[QStringLiteral("sequence")].toString();
 
         if (m_playMode != RhythmPlayMode) {
             int minNote = INT_MAX;
@@ -163,7 +162,7 @@ QStringList ExerciseController::randomlyChooseExercises()
             }
         }
 
-        chosenExercises << m_exerciseOptions[m_chosenExercise].toObject()[QStringLiteral("name")].toString();
+        chosenExercises << m_exerciseOptions[chosenExercise].toObject()[QStringLiteral("name")].toString();
     }
     if (m_playMode == RhythmPlayMode) {
         m_midiSequencer->appendEvent(m_midiSequencer->SMFNoteOn(9, 80, 120), barStart);
diff --git a/src/shell/exercisecontroller.h b/src/shell/exercisecontroller.h
index 905d3cf68853dfd143305b592859e94686de6aa1..ecc89382d24f4117f46894a02a0b06a8059be142 100644
--- a/src/shell/exercisecontroller.h
+++ b/src/shell/exercisecontroller.h
@@ -84,7 +84,6 @@ private:
     PlayMode m_playMode;
     unsigned int m_answerLength;
     unsigned int m_chosenRootNote;
-    unsigned int m_chosenExercise;
     QString m_errorString;
 };