diff --git a/app/src/main/java/com/lukas/music/song/chords/Chord.kt b/app/src/main/java/com/lukas/music/song/chords/Chord.kt
index de1ba1b..61dac11 100644
--- a/app/src/main/java/com/lukas/music/song/chords/Chord.kt
+++ b/app/src/main/java/com/lukas/music/song/chords/Chord.kt
@@ -3,22 +3,22 @@
 import com.lukas.music.song.note.Note
 
 class Chord(val note: Int, private val chordType: ChordType) {
+    private val interval = Interval(note)
+
     fun getNotes(root: Note): Array<Note> {
         return Array(chordType.notes.size) { root + note + chordType.notes[it] }
     }
 
     override fun toString(): String {
-        return "$note($chordType)"
+        return chordType.transform(interval.toString())
     }
 
     fun toString(displayChordNames: Boolean, root: Note): String {
-        if (displayChordNames) {
-            val noteName = (root + note).noteName
-            if (chordType == ChordType.Major) {
-                return noteName.toString().uppercase()
-            }
-            return noteName.toString().lowercase()
+        val base = if (displayChordNames) {
+            (root + note).noteName.toString()
+        } else {
+            interval.toString()
         }
-        return toString()
+        return chordType.transform(base)
     }
 }
\ No newline at end of file

diff --git a/app/src/main/java/com/lukas/music/song/chords/Chord.kt b/app/src/main/java/com/lukas/music/song/chords/Chord.kt
index de1ba1b..61dac11 100644
--- a/app/src/main/java/com/lukas/music/song/chords/Chord.kt
+++ b/app/src/main/java/com/lukas/music/song/chords/Chord.kt
@@ -3,22 +3,22 @@
 import com.lukas.music.song.note.Note
 
 class Chord(val note: Int, private val chordType: ChordType) {
+    private val interval = Interval(note)
+
     fun getNotes(root: Note): Array<Note> {
         return Array(chordType.notes.size) { root + note + chordType.notes[it] }
     }
 
     override fun toString(): String {
-        return "$note($chordType)"
+        return chordType.transform(interval.toString())
     }
 
     fun toString(displayChordNames: Boolean, root: Note): String {
-        if (displayChordNames) {
-            val noteName = (root + note).noteName
-            if (chordType == ChordType.Major) {
-                return noteName.toString().uppercase()
-            }
-            return noteName.toString().lowercase()
+        val base = if (displayChordNames) {
+            (root + note).noteName.toString()
+        } else {
+            interval.toString()
         }
-        return toString()
+        return chordType.transform(base)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/song/chords/ChordType.kt b/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
index 3e03feb..e53189a 100644
--- a/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
+++ b/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
@@ -1,8 +1,12 @@
 package com.lukas.music.song.chords
 
-enum class ChordType(val notes: Array<Int>, val asString: String) {
-    Major(arrayOf(0, 4, 7), "major"),
-    Minor(arrayOf(0, 3, 7), "minor"),
+enum class ChordType(
+    val notes: Array<Int>,
+    private val asString: String,
+    val transform: (String) -> String
+) {
+    Major(arrayOf(0, 4, 7), "major", { it.uppercase() }),
+    Minor(arrayOf(0, 3, 7), "minor", { it.lowercase() }),
     ;
 
     override fun toString(): String {

diff --git a/app/src/main/java/com/lukas/music/song/chords/Chord.kt b/app/src/main/java/com/lukas/music/song/chords/Chord.kt
index de1ba1b..61dac11 100644
--- a/app/src/main/java/com/lukas/music/song/chords/Chord.kt
+++ b/app/src/main/java/com/lukas/music/song/chords/Chord.kt
@@ -3,22 +3,22 @@
 import com.lukas.music.song.note.Note
 
 class Chord(val note: Int, private val chordType: ChordType) {
+    private val interval = Interval(note)
+
     fun getNotes(root: Note): Array<Note> {
         return Array(chordType.notes.size) { root + note + chordType.notes[it] }
     }
 
     override fun toString(): String {
-        return "$note($chordType)"
+        return chordType.transform(interval.toString())
     }
 
     fun toString(displayChordNames: Boolean, root: Note): String {
-        if (displayChordNames) {
-            val noteName = (root + note).noteName
-            if (chordType == ChordType.Major) {
-                return noteName.toString().uppercase()
-            }
-            return noteName.toString().lowercase()
+        val base = if (displayChordNames) {
+            (root + note).noteName.toString()
+        } else {
+            interval.toString()
         }
-        return toString()
+        return chordType.transform(base)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/song/chords/ChordType.kt b/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
index 3e03feb..e53189a 100644
--- a/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
+++ b/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
@@ -1,8 +1,12 @@
 package com.lukas.music.song.chords
 
-enum class ChordType(val notes: Array<Int>, val asString: String) {
-    Major(arrayOf(0, 4, 7), "major"),
-    Minor(arrayOf(0, 3, 7), "minor"),
+enum class ChordType(
+    val notes: Array<Int>,
+    private val asString: String,
+    val transform: (String) -> String
+) {
+    Major(arrayOf(0, 4, 7), "major", { it.uppercase() }),
+    Minor(arrayOf(0, 3, 7), "minor", { it.lowercase() }),
     ;
 
     override fun toString(): String {
diff --git a/app/src/main/java/com/lukas/music/song/chords/Interval.kt b/app/src/main/java/com/lukas/music/song/chords/Interval.kt
new file mode 100644
index 0000000..b3b4480
--- /dev/null
+++ b/app/src/main/java/com/lukas/music/song/chords/Interval.kt
@@ -0,0 +1,47 @@
+package com.lukas.music.song.chords
+
+class Interval(private val distance: Int) {
+    private val name: IntervalName = when (distance) {
+        0 -> IntervalName.UNISON
+        1, 2 -> IntervalName.SECOND
+        3, 4 -> IntervalName.THIRD
+        5, 6 -> IntervalName.FOURTH
+        7 -> IntervalName.FIFTH
+        8, 9 -> IntervalName.SIXTH
+        10, 11 -> IntervalName.SEVENTH
+        12 -> IntervalName.OCTAVE
+        else -> throw IllegalArgumentException("cannot make interval from distance $distance")
+    }
+    private val modifier: Modifier = when (distance) {
+        0, 5, 12 -> Modifier.PERFECT
+        1, 3, 5, 8, 10 -> Modifier.MINOR
+        else -> Modifier.MAJOR
+    }
+
+    override fun toString(): String {
+        return name.toString()
+    }
+
+    enum class IntervalName(val distance: Int, val romanVersion: String) {
+        UNISON(0, "I"),
+        SECOND(1, "II"),
+        THIRD(3, "III"),
+        FOURTH(5, "IV"),
+        FIFTH(7, "V"),
+        SIXTH(8, "VI"),
+        SEVENTH(10, "VII"),
+        OCTAVE(12, "VIII")
+        ;
+
+        override fun toString(): String {
+            return romanVersion
+        }
+    }
+
+    enum class Modifier(val descriptor: String, val offset: Int) {
+        PERFECT("", 0),
+        MINOR("", 0),
+        MAJOR("", 1);
+    }
+
+}
\ No newline at end of file

diff --git a/app/src/main/java/com/lukas/music/song/chords/Chord.kt b/app/src/main/java/com/lukas/music/song/chords/Chord.kt
index de1ba1b..61dac11 100644
--- a/app/src/main/java/com/lukas/music/song/chords/Chord.kt
+++ b/app/src/main/java/com/lukas/music/song/chords/Chord.kt
@@ -3,22 +3,22 @@
 import com.lukas.music.song.note.Note
 
 class Chord(val note: Int, private val chordType: ChordType) {
+    private val interval = Interval(note)
+
     fun getNotes(root: Note): Array<Note> {
         return Array(chordType.notes.size) { root + note + chordType.notes[it] }
     }
 
     override fun toString(): String {
-        return "$note($chordType)"
+        return chordType.transform(interval.toString())
     }
 
     fun toString(displayChordNames: Boolean, root: Note): String {
-        if (displayChordNames) {
-            val noteName = (root + note).noteName
-            if (chordType == ChordType.Major) {
-                return noteName.toString().uppercase()
-            }
-            return noteName.toString().lowercase()
+        val base = if (displayChordNames) {
+            (root + note).noteName.toString()
+        } else {
+            interval.toString()
         }
-        return toString()
+        return chordType.transform(base)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/song/chords/ChordType.kt b/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
index 3e03feb..e53189a 100644
--- a/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
+++ b/app/src/main/java/com/lukas/music/song/chords/ChordType.kt
@@ -1,8 +1,12 @@
 package com.lukas.music.song.chords
 
-enum class ChordType(val notes: Array<Int>, val asString: String) {
-    Major(arrayOf(0, 4, 7), "major"),
-    Minor(arrayOf(0, 3, 7), "minor"),
+enum class ChordType(
+    val notes: Array<Int>,
+    private val asString: String,
+    val transform: (String) -> String
+) {
+    Major(arrayOf(0, 4, 7), "major", { it.uppercase() }),
+    Minor(arrayOf(0, 3, 7), "minor", { it.lowercase() }),
     ;
 
     override fun toString(): String {
diff --git a/app/src/main/java/com/lukas/music/song/chords/Interval.kt b/app/src/main/java/com/lukas/music/song/chords/Interval.kt
new file mode 100644
index 0000000..b3b4480
--- /dev/null
+++ b/app/src/main/java/com/lukas/music/song/chords/Interval.kt
@@ -0,0 +1,47 @@
+package com.lukas.music.song.chords
+
+class Interval(private val distance: Int) {
+    private val name: IntervalName = when (distance) {
+        0 -> IntervalName.UNISON
+        1, 2 -> IntervalName.SECOND
+        3, 4 -> IntervalName.THIRD
+        5, 6 -> IntervalName.FOURTH
+        7 -> IntervalName.FIFTH
+        8, 9 -> IntervalName.SIXTH
+        10, 11 -> IntervalName.SEVENTH
+        12 -> IntervalName.OCTAVE
+        else -> throw IllegalArgumentException("cannot make interval from distance $distance")
+    }
+    private val modifier: Modifier = when (distance) {
+        0, 5, 12 -> Modifier.PERFECT
+        1, 3, 5, 8, 10 -> Modifier.MINOR
+        else -> Modifier.MAJOR
+    }
+
+    override fun toString(): String {
+        return name.toString()
+    }
+
+    enum class IntervalName(val distance: Int, val romanVersion: String) {
+        UNISON(0, "I"),
+        SECOND(1, "II"),
+        THIRD(3, "III"),
+        FOURTH(5, "IV"),
+        FIFTH(7, "V"),
+        SIXTH(8, "VI"),
+        SEVENTH(10, "VII"),
+        OCTAVE(12, "VIII")
+        ;
+
+        override fun toString(): String {
+            return romanVersion
+        }
+    }
+
+    enum class Modifier(val descriptor: String, val offset: Int) {
+        PERFECT("", 0),
+        MINOR("", 0),
+        MAJOR("", 1);
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/ui/fragments/SongFragment.kt b/app/src/main/java/com/lukas/music/ui/fragments/SongFragment.kt
index 3764536..1791310 100644
--- a/app/src/main/java/com/lukas/music/ui/fragments/SongFragment.kt
+++ b/app/src/main/java/com/lukas/music/ui/fragments/SongFragment.kt
@@ -65,10 +65,6 @@
                 updateChords()
             }
             button.setImageResource(android.R.drawable.ic_delete)
-            val buttonLayout = TableRow.LayoutParams(
-                0,
-                TableRow.LayoutParams.WRAP_CONTENT
-            )
             button.layoutParams = buttonLayout
             row.addView(button)
             binding.chords.addView(row)
@@ -80,6 +76,10 @@
             TableRow.LayoutParams.MATCH_PARENT,
             TableRow.LayoutParams.MATCH_PARENT
         )
+        val buttonLayout = TableRow.LayoutParams(
+            0,
+            TableRow.LayoutParams.WRAP_CONTENT
+        )
 
         init {
             layout.setMargins(10)