diff --git a/composeApp/src/commonMain/composeResources/files/config.json b/composeApp/src/commonMain/composeResources/files/config.json
index 8c5b2a7..8bfa415 100644
--- a/composeApp/src/commonMain/composeResources/files/config.json
+++ b/composeApp/src/commonMain/composeResources/files/config.json
@@ -2,6 +2,7 @@
   "themeMode": "DARK",
   "fontSize": 18.5,
   "playlist": [
+    "assets://a.txt",
     "assets://ffpm-617.txt",
     "assets://ews-127.txt",
     "assets://ffpm-521.txt",
diff --git a/composeApp/src/commonMain/kotlin/mg/dot/feufaro/solfa/Solfa.kt b/composeApp/src/commonMain/kotlin/mg/dot/feufaro/solfa/Solfa.kt
index 2f21e48..14a810f 100644
--- a/composeApp/src/commonMain/kotlin/mg/dot/feufaro/solfa/Solfa.kt
+++ b/composeApp/src/commonMain/kotlin/mg/dot/feufaro/solfa/Solfa.kt
@@ -13,7 +13,7 @@ import mg.dot.feufaro.getConfigDirectoryPath
 import mg.dot.feufaro.launchFilePicker
 import mg.dot.feufaro.midi.MidiPitch
 import mg.dot.feufaro.midi.MidiWriterKotlin
-import java.io.File
+import kotlin.math.min
 
 //@todo: split voices (ffpm19/ews22) ${S:mfs} in N4:, idem ffpm-212
 //@todo: ffpm-172-2 ${O:1} non fonctionnel
@@ -34,6 +34,8 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
     private val O: MutableMap<Int, MutableList<String>> = mutableMapOf()
     private val unparsedNote = mutableListOf<String>()
     private var refrainBeginsAt = -1
+    private var refrainEndsAt = -1
+    private var refrainMaxStanza = -1
     private var smartLyricsType = "L"
     private val pitches = mutableListOf<MidiPitch>()
 
@@ -48,7 +50,7 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
         val REGEX_TEMPLATE_COMMENT = Regex("(\\$[A-Z]|\\$\\{[^\\}]*\\})")
         val REGEX_REPETITION = Regex("([zwdrmfslt-](?>[',]*))([1-9][0-9]*)", RegexOption.IGNORE_CASE)
         val REGEX_PARSE_META = Regex("\\|(?=[a-z]:)")
-        val REGEX_LYRICS_COMMENT = Regex("\\$\\{([^\\}][^:]*:([^\\}]*))\\}|\\$\\{R!\\}")
+        val REGEX_LYRICS_COMMENT = Regex("\\$\\{([^\\}][^:]*:([^\\}]*))\\}")
         val REGEX_LYRICS_REPETITION = Regex("_(\\d+)")
         val REGEX_VOWELS_STAGE1 =
             Regex("[aeiouyòàéìỳ](?![,;\\.\\-:!\\?\\}»_\"]*([ aeiouyòàéìỳ/]|_[1-9]))", RegexOption.IGNORE_CASE)
@@ -205,6 +207,8 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
             }
             pitches.clear()
             refrainBeginsAt = -1
+            refrainEndsAt = -1
+            refrainMaxStanza = -1
             unparsedNote.clear()
             templateString = ""
             nextTIndex = -1
@@ -264,7 +268,13 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
             templateComments.add(matchResult.value)
             "&"
         }
-        val templateCharArray = templateStripped.toCharArray()
+        fun insertZToCharArray(input: String): CharArray {
+            val delim = "/:!|"
+            val reDelim = "[$delim](?=[$delim])".toRegex()
+            val insertedZ = input.replace(reDelim) { it.value + "z"}
+            return insertedZ.toCharArray()
+        }
+        val templateCharArray = insertZToCharArray(templateStripped)
         val noteLine = noteLine.replace(REGEX_TEMPLATE_COMMENT, "")
             .replace(" ", "")
         val lineRepeated = REGEX_REPETITION.replace(noteLine.substring(1)) { matchResult ->
@@ -744,6 +754,7 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
     }
 
     private fun loadLyrics(stanzaNumber: Int, lyrics: String) {
+        defineRefrainMaxStanza(99999)
         val overrideIterator: MutableMap<Int, Iterator<String>> = mutableMapOf()
         try {
             val lyrics = getLyricsComments(lyrics)
@@ -795,7 +806,7 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
                 }
                 addLyricsItem(stanzaNumber, i, originalLyrics)
             }
-            if (refrainBeginsAt > 0 && stanzaNumber > 1 && !lyrics.contains($$"${R!}")) {
+            if (refrainBeginsAt >= 0 && stanzaNumber > 1) {
                 copyRefrainToStanza(stanzaNumber)
             }
 
@@ -895,10 +906,19 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
 
     private fun defineRefrainFrom(tuoNumber: Int) {
         refrainBeginsAt = tuoNumber
+        refrainEndsAt = 99999
+        refrainMaxStanza = 99999
+    }
+    private fun defineRefrainTo(tuoNumber: Int) {
+        refrainEndsAt = tuoNumber
+    }
+    private fun defineRefrainMaxStanza(tuoNumber: Int) {
+        refrainMaxStanza = tuoNumber
     }
 
     private fun copyRefrainToStanza(stanzaNumber: Int) {
-        for (i in refrainBeginsAt..L.size - 1) {
+        val refrainMax = min(min(refrainEndsAt - 1, L.size - 1), refrainMaxStanza - 1)
+        for (i in refrainBeginsAt..refrainMax) {
             L[i].setLyrics(stanzaNumber, L[i].getLyrics(1))
             L[i].copyAlternativeLyrics(1, stanzaNumber)
         }
@@ -914,6 +934,13 @@ class Solfa(val sharedScreenModel: SharedScreenModel, private val fileRepository
                     defineRefrainFrom(i)
                 }
                 lyricsItem.replace($$"${R=}", "")
+            } else if (lyricsItem.contains($$"${R!}")) {
+                if (stanzaNumber == 1) {
+                    defineRefrainTo(i)
+                } else {
+                    defineRefrainMaxStanza(i)
+                }
+                lyricsItem.replace($$"${R!}", "")
             } else {
                 lyricsItem
             }