-cis1_\markup \concat \vcenter { [D \flat C \sharp B|E \sharp F \sharp G A \flat] }
-c!1_\markup \concat \vcenter {[ C \natural ]}
+cis1_\markup \concat \vcenter {
+ [D \flat C \sharp B|E \sharp F \sharp G A \flat] }
+c!1_\markup \concat \vcenter {
+ [ C \natural ] }