denemo software package provides GTK+ front end to GNU Lilypond, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install denemo
denemo is installed in your system.
Make ensure the denemo package were installed using the commands given below,
$ sudo dpkg-query -l | grep denemo *
You will get with denemo package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Sound |
| Package | denemo |
| Version | 2.0.8-1 |
| Description | GTK+ front end to GNU Lilypond |
| Sub Section | Sound |