some minor changes to the ABC builder

App/Dataclasses/DatabaseFolkTuneDetails.php

@@ -65,12 +65,11 @@ K: {$this->Parts[$counter]->KeySignature}";
 
     public function BuildSimple(): string
     {
-        $builder = "X: {$this->ID}
-L: 1/4";
+        $builder = "X: {$this->ID}";
 
         $builder .= "
-M: {$this->Parts[0]->TimeSignature}";
-        $previousTimeSignature = $this->Parts[0]->TimeSignature;
+L: {$this->Parts[0]->TimeSignature}
+M: {$this->Parts[0]->KeySignature}";
 
         $builder .= "
 {$this->Parts[0]->ABCNotation}";