Install jcadencii by entering the following commands in the terminal:
sudo apt update sudo apt install jcadencii
Description:
Piano roll editor for singing synthesis
Cadencii is a multi-track piano roll editor for MacOS and Windows. It is designed for editing lyrics for singing and supports VOCALOID, VOCALOID2, UTAU, WORLD, AquesTone engines for synthesis.
Homepage: http://sourceforge.jp/projects/cadencii/
Version: 3.3.9+svn20110818.r1732-5
Section: universe/sound