LilyPond tempo equivalency markup

   \new Staff {
      c'1
      ^ \markup {
         \override #'(baseline-skip . 5)
         \column {
            \line { [ \italic { Allegro staccatissimo } }
            \line { \hspace #1 \fontsize #-3 \general-align #Y #down
               \note #"4" #1 = 90
            }
         }
       }
   }