Ugh
Just write "Tempo rubato" and let the performer handle it (or change it in the piano roll in your DAW).
(
Extinct Jesus Dossier "...I think it counteracts Hitler's magic...", Mon 17 Aug 2020, 11:24,
Reply)
This is the mistake they made with Shatner
(
mofaha ┐( ˘_˘)┌ ʅ(́◡◝)ʃ, Mon 17 Aug 2020, 17:22,
Reply)